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                            <title><![CDATA[ Latest from Live Science in Earth-atmosphere ]]></title>
                <link>https://www.livescience.com/tag/earth-atmosphere</link>
        <description><![CDATA[ All the latest earth-atmosphere content from the Live Science team ]]></description>
                                    <lastBuildDate>Tue, 19 Aug 2025 11:30:04 +0000</lastBuildDate>
                            <language>en</language>
                                <item>
                                                            <title><![CDATA[ Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/planet-earth/tiny-devices-propelled-by-sunlight-could-explore-a-mysterious-region-of-earths-atmosphere</link>
                                                                            <description>
                            <![CDATA[ "Being able to send something out there would enable us to take a lot more precise data than we currently can." ]]>
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                                                                        <pubDate>Tue, 19 Aug 2025 11:30:04 +0000</pubDate>                                                                                                                                                                                                                                <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tereza Pultarova ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/sAdRHqkMXkCf23q246C5VB-1280-80.jpg">
                                                            <media:credit><![CDATA[Gregory Adams via Getty Images]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The devices could shed light on a part of Earth&#039;s upper atmosphere called the ignorosphere.]]></media:description>                                                            <media:text><![CDATA[A photo of Earth from space showing its upper atmosphere]]></media:text>
                                <media:title type="plain"><![CDATA[A photo of Earth from space showing its upper atmosphere]]></media:title>
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                                <item>
                                                            <title><![CDATA[ Powerful Mother's Day geomagnetic storm created radio-disrupting bubbles in Earth's upper atmosphere ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/space/the-sun/powerful-mothers-day-geomagnetic-storm-created-radio-disrupting-bubbles-in-earths-upper-atmosphere</link>
                                                                            <description>
                            <![CDATA[ Researchers have provided some new insights about the powerful geomagnetic storm that flared up last Mother's Day, after a big solar storm hit Earth. ]]>
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                                                                        <pubDate>Mon, 26 May 2025 12:00:00 +0000</pubDate>                                                                                                                                <updated>Tue, 27 May 2025 23:29:46 +0000</updated>
                                                                                                                                            <category><![CDATA[The Sun]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                    <category><![CDATA[Astronomy]]></category>
                                                                                                                    <dc:creator><![CDATA[ Julian Dossett ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/6muVAVnyrGEX8N6kVyPskP-1280-80.jpg">
                                                            <media:credit><![CDATA[ Meredith Garofalo]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The view of the northern lights during the &quot;Mother&#039;s Day&quot; geomagnetic storm on May 10, 2024 from Cleveland, Ohio.]]></media:description>                                                            <media:text><![CDATA[The view of the northern lights during the &quot;Mother&#039;s Day&quot; geomagnetic storm on May 10, 2024 from Cleveland, Ohio.]]></media:text>
                                <media:title type="plain"><![CDATA[The view of the northern lights during the &quot;Mother&#039;s Day&quot; geomagnetic storm on May 10, 2024 from Cleveland, Ohio.]]></media:title>
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                                                            <title><![CDATA[ How much did SpaceX's Starship Flight 7 explosion pollute the atmosphere? ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/space/space-exploration/how-much-did-spacexs-starship-flight-7-explosion-pollute-the-atmosphere</link>
                                                                            <description>
                            <![CDATA[ Scientists are not sure how much metallic dust remained in the atmosphere after the most recent SpaceX rocket 'disassembly.' ]]>
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                                                                        <pubDate>Tue, 04 Feb 2025 14:00:00 +0000</pubDate>                                                                                                                                                                                                                                <category><![CDATA[Space Exploration]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tereza Pultarova ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/gXdDhX8KnrDYQWCyjqKfAH-1280-80.jpg">
                                                            <media:credit><![CDATA[Dean Olson via Twitter]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Starship debris from IFT-7 falls through the sky.]]></media:description>                                                            <media:text><![CDATA[streaks of fire in the evening sky]]></media:text>
                                <media:title type="plain"><![CDATA[streaks of fire in the evening sky]]></media:title>
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                                                            <title><![CDATA[ Earth's elusive 'ignorosphere' could shed new light on auroras ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/planet-earth/earths-elusive-ignorosphere-could-shed-new-light-on-auroras</link>
                                                                            <description>
                            <![CDATA[ We know very little about some parts of Earth's atmosphere. ]]>
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                                                                        <pubDate>Sat, 25 Jan 2025 16:27:00 +0000</pubDate>                                                                                                                                                                                                                                <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tereza Pultarova ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/iZS6v5P3wk484icUmWqwoS-1280-80.jpg">
                                                            <media:credit><![CDATA[Space.com / Josh Dinner]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An image of the northern lights over Bloomington, Indiana.]]></media:description>                                                            <media:text><![CDATA[A photo of pink and green auroras]]></media:text>
                                <media:title type="plain"><![CDATA[A photo of pink and green auroras]]></media:title>
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                                                            <title><![CDATA[ Exploding meteor startles Utah ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/utah-boom-meteor</link>
                                                                            <description>
                            <![CDATA[ A loud explosion heard Saturday (Aug. 13) in Utah may have been an exploding Perseid meteor. ]]>
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                                                                        <pubDate>Mon, 15 Aug 2022 14:57:37 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:41:13 +0000</updated>
                                                                                                                                            <category><![CDATA[Meteoroids]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                    <category><![CDATA[Astronomy]]></category>
                                                                                                                    <dc:creator><![CDATA[ Stephanie Pappas ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/HCJZX5348BFnAgfspn3hcj-1280-80.jpg">
                                                            <media:credit><![CDATA[National Weather Service Salt Lake City]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Two flashes on the GOES-17 Lightning Mapper aren&#039;t lightning, but a meteor trail and explosion.]]></media:description>                                                            <media:text><![CDATA[Two flashes on the GOES-17 Lightning Mapper aren&#039;t lightning, but a meteor trail and explosion.]]></media:text>
                                <media:title type="plain"><![CDATA[Two flashes on the GOES-17 Lightning Mapper aren&#039;t lightning, but a meteor trail and explosion.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Why do stars twinkle? ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/32315-why-do-stars-twinkle.html</link>
                                                                            <description>
                            <![CDATA[ Stars appear to twinkle because the light from these distant objects passes through wobbly air in the atmosphere. ]]>
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                                                                        <pubDate>Thu, 23 Jun 2022 17:16:00 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:17:09 +0000</updated>
                                                                                                                                            <category><![CDATA[Astronomy]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Colin Stuart ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/YuJohJP9HgfW5NYcLfhbSn-1280-80.jpg">
                                                            <media:credit><![CDATA[ESO/B. Tafreshi (twanight.org)]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), set against the splendour of the Milky Way]]></media:description>                                                            <media:text><![CDATA[the antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), set against the splendour of the Milky Way]]></media:text>
                                <media:title type="plain"><![CDATA[the antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), set against the splendour of the Milky Way]]></media:title>
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                                                            <title><![CDATA[ New, extremely reactive chemical discovered in the atmosphere ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/reactive-chemical-hydrotrioxides-atmospher</link>
                                                                            <description>
                            <![CDATA[ Millions of tons of a type of extremely reactive chemical can form in the atmosphere each year, with implications for health and the global climate. ]]>
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                                                                        <pubDate>Wed, 01 Jun 2022 13:46:26 +0000</pubDate>                                                                                                                                <updated>Wed, 14 Jan 2026 10:47:02 +0000</updated>
                                                                                                                                            <category><![CDATA[Chemistry]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tom Metcalfe ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/WbFJAui4m44LpdP7w9zHZb-1280-80.jpg">
                                                            <media:credit><![CDATA[Roberto Machado Noa/Getty Images]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Researchers discovered a highly reactive chemical that they had long thought was too unstable to last under atmospheric conditions.]]></media:description>                                                            <media:text><![CDATA[This image is a digital enhancement of a NASA image of Earth’s atmosphere.]]></media:text>
                                <media:title type="plain"><![CDATA[This image is a digital enhancement of a NASA image of Earth’s atmosphere.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Where does Earth end and outer space begin? ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/where-earth-atmosphere-ends</link>
                                                                            <description>
                            <![CDATA[ The atmosphere is vast and parts of it extend beyond the moon. But where does it technically end, according to scientists? ]]>
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                                                                        <pubDate>Sun, 01 May 2022 11:00:01 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:39:58 +0000</updated>
                                                                                                                                            <category><![CDATA[Geology]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Joe Phelan ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/fqX3qDntRKQwa5i2q3dH85-1280-80.jpg">
                                                            <media:credit><![CDATA[studio023 via Getty Images]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Image of Earth&#039;s atmosphere and space]]></media:description>                                                            <media:text><![CDATA[Image of Earth&#039;s atmosphere and space]]></media:text>
                                <media:title type="plain"><![CDATA[Image of Earth&#039;s atmosphere and space]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Earth nearly lost all its oxygen 2.3 billion years ago ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/earth-early-oxygen-fluctuated.html</link>
                                                                            <description>
                            <![CDATA[ The permanent oxygenation of Earth's atmosphere took twice as long as previously believed and finally finished up to 100 million years later than expected. ]]>
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                                                                        <pubDate>Thu, 08 Apr 2021 15:31:39 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:19:51 +0000</updated>
                                                                                                                                            <category><![CDATA[Geology]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Stephanie Pappas ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/jKdKoY9BtwqMvSPBiU7ffW-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/Michael Studinger]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Glaciers in modern-day Antarctica. The early oxygenation of Earth may have triggered ice ages that covered the surface of the Earth with glaciers like these.]]></media:description>                                                            <media:text><![CDATA[Glaciers in modern-day Antarctica. The early oxygenation of Earth may have triggered ice ages that covered the surface of the Earth with glaciers like these.]]></media:text>
                                <media:title type="plain"><![CDATA[Glaciers in modern-day Antarctica. The early oxygenation of Earth may have triggered ice ages that covered the surface of the Earth with glaciers like these.]]></media:title>
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                                                            <title><![CDATA[ Billions of lightning bolts may have jump-started life on Earth, study suggests ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/lightning-bolts-early-life-on-earth.html</link>
                                                                            <description>
                            <![CDATA[ Lightning storms on early Earth may have given the planet enough phosphorus to craft the first DNA and RNA molecules, study suggests ]]>
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                                                                        <pubDate>Tue, 16 Mar 2021 16:51:37 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:19:31 +0000</updated>
                                                                                                                                            <category><![CDATA[Weather]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Brandon Specktor ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/DM9YMdGt25skQBziebK5BU-1280-80.jpeg">
                                                            <media:credit><![CDATA[Lucy Entwisle]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An artist&#039;s rendition of the early Earth environment. Lightning generated by storms and volcanic plumes frequently strikes volcanic rocks. The lightning strikes create fulgurites which contain phosphorus in a form that can be dissolved in water and concentrate in waters like volcanic ponds. Here, the phosphorus is able to form biomolecules which help lead to the emergence of life.]]></media:description>                                                            <media:text><![CDATA[An artist&#039;s rendition of the early Earth environment. Lightning generated by storms and volcanic plumes frequently strikes volcanic rocks. The lightning strikes create fulgurites which contain phosphorus in a form that can be dissolved in water and concentrate in waters like volcanic ponds. Here, the phosphorus is able to form biomolecules which help lead to the emergence of life.]]></media:text>
                                <media:title type="plain"><![CDATA[An artist&#039;s rendition of the early Earth environment. Lightning generated by storms and volcanic plumes frequently strikes volcanic rocks. The lightning strikes create fulgurites which contain phosphorus in a form that can be dissolved in water and concentrate in waters like volcanic ponds. Here, the phosphorus is able to form biomolecules which help lead to the emergence of life.]]></media:title>
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                                                            <title><![CDATA[ Supernova explosions may have helped shape Earth's climate history ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/supernova-explosions-affect-earth-atmosphere.html</link>
                                                                            <description>
                            <![CDATA[ Nearby supernovas have left a series of possible fingerprints in the tree-ring record here on Earth over the past 40,000 years, potentially disrupting our planet's climate multiple times over this span. ]]>
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                                                                        <pubDate>Sun, 15 Nov 2020 15:19:24 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:10:22 +0000</updated>
                                                                                                                                            <category><![CDATA[Astronomy]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Mike Wall ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/bbK6vuZuuSjYSr4cf4yaAF-1280-80.jpg">
                                                            <media:credit><![CDATA[X-ray: NASA/CXC/Rutgers/K. Eriksen et al.; Optical: DSS]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[This photograph of the Tycho supernova remnant was taken by the Chandra X-ray Observatory. Low-energy X-rays (red) in the image show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave, a shell of extremely energetic electrons. ]]></media:description>                                                            <media:text><![CDATA[This photograph of the Tycho supernova remnant was taken by the Chandra X-ray Observatory. Low-energy X-rays (red) in the image show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave, a shell of extremely energetic electrons. ]]></media:text>
                                <media:title type="plain"><![CDATA[This photograph of the Tycho supernova remnant was taken by the Chandra X-ray Observatory. Low-energy X-rays (red) in the image show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave, a shell of extremely energetic electrons. ]]></media:title>
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                                                            <title><![CDATA[ Ozone Hole Over Antarctica Shrinks to Record-Small Size ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/ozone-hole-antarctica-smallest-size.html</link>
                                                                            <description>
                            <![CDATA[ The ozone hole over Antarctica has shrunk to its smallest size yet. Here's why. ]]>
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                                                                        <pubDate>Tue, 22 Oct 2019 16:32:28 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:36:19 +0000</updated>
                                                                                                                                            <category><![CDATA[Antarctica]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Jeanna Bryner ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/TJJj5J8PemTnFGTtuoekQN-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA Goddard/Katy Mersmann]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The ozone hole (blue) can be seen here over Antarctica on Oct. 4, 2019.]]></media:description>                                                            <media:text><![CDATA[The ozone hole (blue) can be seen here over Antarctica on Oct. 4, 2019.]]></media:text>
                                <media:title type="plain"><![CDATA[The ozone hole (blue) can be seen here over Antarctica on Oct. 4, 2019.]]></media:title>
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                                                            <title><![CDATA[ What is the ionosphere? (And who is Steve?) ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/65947-ionosphere.html</link>
                                                                            <description>
                            <![CDATA[ A concentration of plasma in the Earth's atmosphere, called the ionosphere, interacts with solar winds, ultraviolet radiation and radio waves. ]]>
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                                                                        <pubDate>Mon, 15 Jul 2019 21:00:16 +0000</pubDate>                                                                                                                                <updated>Tue, 09 Feb 2021 09:55:04 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Nicoletta Lanese ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/Y7zXXZPbhPYhbUh97Ten9a-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/UC Berkeley]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An aurora over the south pole, captured by NASA&#039;s IMAGE spacecraft in 2004.]]></media:description>                                                            <media:text><![CDATA[South Pole aurora]]></media:text>
                                <media:title type="plain"><![CDATA[South Pole aurora]]></media:title>
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                                                            <title><![CDATA[ Mystery of Weird Sky-Glow Named 'STEVE' Finally Solved ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/65338-steve-sky-lights-decoded.html</link>
                                                                            <description>
                            <![CDATA[ Enigmatic STEVE is somewhat like an aurora...and somewhat different. ]]>
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                                                                        <pubDate>Fri, 26 Apr 2019 18:44:26 +0000</pubDate>                                                                                                                                <updated>Wed, 14 Jan 2026 10:48:45 +0000</updated>
                                                                                                                                            <category><![CDATA[Particle Physics]]></category>
                                                    <category><![CDATA[Physics &amp; Mathematics]]></category>
                                                                                                                    <dc:creator><![CDATA[ Mindy Weisberger ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/SGpcmv39672Q3NXsgBYcb5-1280-80.jpg">
                                                            <media:credit><![CDATA[Rocky Raybell]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[This amateur astronomer&#039;s photograph, taken on May 8, 2016, in Keller, Washington, was used in the new research about the celestial phenomenon called STEVE. The major structures are two bands of upper atmospheric emissions located 100 miles (160 kilometers) above the ground: a reddish arc and a green picket fence.]]></media:description>                                                    </media:content>
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                                                            <title><![CDATA[ WWII Bombs Had Rippling Effect on the Edge of Space ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/63677-wwii-bombs-edge-of-space.html</link>
                                                                            <description>
                            <![CDATA[ The shock waves from Allied bombing raids during World War II briefly weakened the ionosphere. ]]>
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                                                                        <pubDate>Wed, 26 Sep 2018 11:46:13 +0000</pubDate>                                                                                                                                <updated>Fri, 13 Feb 2026 13:47:17 +0000</updated>
                                                                                                                                            <category><![CDATA[Human Behavior]]></category>
                                                                                                                    <dc:creator><![CDATA[ Megan Gannon ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/ivoeLPhFUrRzXsuFXWdW4Y-1280-80.jpg">
                                                            <media:credit><![CDATA[U.S. Air Force/Public Domain]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Bombing of a factory at Marienburg, Germany, on Oct. 9, 1943.]]></media:description>                                                            <media:text><![CDATA[Bombing of a factory at Marienburg, Germany, on Oct. 9, 1943.]]></media:text>
                                <media:title type="plain"><![CDATA[Bombing of a factory at Marienburg, Germany, on Oct. 9, 1943.]]></media:title>
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                                                            <title><![CDATA[ A Solar Storm Is Coming Tonight — Here's Where You Might See the Aurora ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/63550-aurora-september-solar-storm.html</link>
                                                                            <description>
                            <![CDATA[ An alert released yesterday (Sept. 10) warns of a moderate geomagnetic storm that will lash the planet tonight. It shouldn't be dangerous, but might bring auroras. ]]>
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                                                                        <pubDate>Tue, 11 Sep 2018 20:19:56 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:58:52 +0000</updated>
                                                                                                                                            <category><![CDATA[Weather]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Rafi Letzter ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/fGUy9xjKgCXqL9ALc3g5nn-1280-80.jpg">
                                                            <media:credit><![CDATA[Mario Ziebart/ Shutterstock]]></media:credit>
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                                                    <media:thumbnail url="https://cdn.mos.cms.futurecdn.net/fGUy9xjKgCXqL9ALc3g5nn-1280-80.jpg" />
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                                                            <title><![CDATA[ Eerie Sky Glow Called 'Steve' Isn't an Aurora, Is 'Completely Unknown' to Science ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/63385-steve-not-aurora-mystery-phenomenon.html</link>
                                                                            <description>
                            <![CDATA[ There is a beautiful mystery in the sky, and its name is Steve. ]]>
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                                                                        <pubDate>Tue, 21 Aug 2018 11:03:15 +0000</pubDate>                                                                                                                                <updated>Wed, 10 Aug 2022 19:45:13 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Brandon Specktor ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/RBJZBmtLmAxnkqrmBnYY7N-1280-80.jpg">
                                                            <media:credit><![CDATA[Ryan Sault / Alberta Aurora Chasers]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The mysterious ribbon of atmospheric light known as STEVE slashes through the sky over British Columbia, Canada, on April 10, 2018. According to a new study, STEVE is not an aurora (visible here in the right corner of the horizon) but something completely new to science.]]></media:description>                                                            <media:text><![CDATA[skyglow steve]]></media:text>
                                <media:title type="plain"><![CDATA[skyglow steve]]></media:title>
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                                                            <title><![CDATA[ Ghostly 'Lightning' Waves Discovered Inside a Nuclear Reactor ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/62605-whistler-waves-nuclear-fusion-reactors.html</link>
                                                                            <description>
                            <![CDATA[ Whistler waves are normally produced in the atmosphere by lightning. They could help protect nuclear fusion reactors from runaway electrons. ]]>
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                                                                        <pubDate>Fri, 18 May 2018 14:32:34 +0000</pubDate>                                                                                                                                <updated>Tue, 06 Aug 2019 22:43:54 +0000</updated>
                                                                                                                                            <category><![CDATA[Physics &amp; Mathematics]]></category>
                                                                                                                    <dc:creator><![CDATA[ Marcus Woo ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/PoxihAC7VHfxZTD5N6VQQb-1280-80.jpg">
                                                            <media:credit><![CDATA[Shutterstock]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[A conceptual picture of fusion energy inside a tokamak, the doughnut-shaped machine that produces plasma for fusion energy. A new paper has found whistler waves, normally found in the ionosphere, inside a nuclear fusion reactor.]]></media:description>                                                            <media:text><![CDATA[tokamak fusion energy]]></media:text>
                                <media:title type="plain"><![CDATA[tokamak fusion energy]]></media:title>
                                                    </media:content>
                                                    <media:thumbnail url="https://cdn.mos.cms.futurecdn.net/PoxihAC7VHfxZTD5N6VQQb-1280-80.jpg" />
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                                                            <title><![CDATA[ These 'Dirty' Thunderstorms Fill the Sky with As Much Smoke As a Volcanic Eruption ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/62361-wildfires-fuel-dirty-thunderstorms.html</link>
                                                                            <description>
                            <![CDATA[ Wildfires can fuel "dirty" thunderstorms that fill the stratosphere with as much smoke as a volcanic eruption. ]]>
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                                                                        <pubDate>Fri, 20 Apr 2018 11:44:05 +0000</pubDate>                                                                                                                                <updated>Fri, 13 Feb 2026 11:56:25 +0000</updated>
                                                                                                                                            <category><![CDATA[Volcanoes]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Megan Gannon ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/7NZvR79cKhqAHq3XPYqqvh-1280-80.jpg">
                                                            <media:credit><![CDATA[James_Gabbert/iStock/Getty Images Plus]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An enormous wildfire in British Columbia in the summer of 2017 sent huge plumes of smoke into the sky.]]></media:description>                                                            <media:text><![CDATA[An enormous wildfire in British Columbia in the summer of 2017 sent huge plumes of smoke into the sky.]]></media:text>
                                <media:title type="plain"><![CDATA[An enormous wildfire in British Columbia in the summer of 2017 sent huge plumes of smoke into the sky.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ These Scientists Have a Wild Plan to Throw Salt into the Atmosphere. Here's Why. ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/62140-can-salt-stop-climate-change.html</link>
                                                                            <description>
                            <![CDATA[ Sprinkling large amounts of salt into the atmosphere could stave off climate change, a group of researchers has proposed. ]]>
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                                                                        <pubDate>Tue, 27 Mar 2018 22:10:54 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:36:36 +0000</updated>
                                                                                                                                            <category><![CDATA[Climate change]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                <author><![CDATA[ lgeggel@livescience.com (Laura Geggel) ]]></author>                    <dc:creator><![CDATA[ Laura Geggel ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/BDzNRvrrdk69bKWipHJKVd-1280-80.jpg">
                                                            <media:credit><![CDATA[Shutterstock]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Can salting the upper troposphere help cool the planet?]]></media:description>                                                            <media:text><![CDATA[clouds]]></media:text>
                                <media:title type="plain"><![CDATA[clouds]]></media:title>
                                                    </media:content>
                                                    <media:thumbnail url="https://cdn.mos.cms.futurecdn.net/BDzNRvrrdk69bKWipHJKVd-1280-80.jpg" />
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                                                            <title><![CDATA[ The Hole in Earth's Ozone Layer Is Healing ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/61371-nasa-satellite-shows-healing-ozone-hole.html</link>
                                                                            <description>
                            <![CDATA[ Efforts to heal the hole in Earth's ozone layer over Antarctica appear to be paying off, according to a first-of-its-kind study that looked directly at ozone-destroying chemicals in the atmosphere. ]]>
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                                                                        <pubDate>Mon, 08 Jan 2018 23:43:54 +0000</pubDate>                                                                                                                                <updated>Tue, 06 Aug 2019 22:57:30 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Calla Cofield ]]></dc:creator>                                                                                                    <media:content type="image/gif" url="https://cdn.mos.cms.futurecdn.net/Y28TxKu9aEiiZgUL529SUi-1280-80.gif">
                                                            <media:credit><![CDATA[Katy Mersmann/NASA&#039;s Goddard Space Flight Center]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Ozone hole healing animation]]></media:description>                                                            <media:text><![CDATA[Ozone hole healing animation]]></media:text>
                                <media:title type="plain"><![CDATA[Ozone hole healing animation]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ NASA Goes for 'GOLD' to Scan the Border of Earth and Space ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/61345-nasa-gold-examines-boundary-earth-space.html</link>
                                                                            <description>
                            <![CDATA[ A new NASA mission, the first to hitch a ride on a commercial communications satellite, will examine Earth's upper atmosphere to see how the boundary between Earth and space changes over time. ]]>
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                                                                        <pubDate>Fri, 05 Jan 2018 18:53:53 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:34:11 +0000</updated>
                                                                                                                                            <category><![CDATA[Astronomy]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Sarah Lewin ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/NLPJDP6iDHV8jCZtAyUE63-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[NASA&#039;s GOLD mission, riding to space with the SES-14 communications satellite, will study Earth&#039;s upper atmosphere from 22,000 miles above the planet.]]></media:description>                                                            <media:text><![CDATA[NASA&#039;s GOLD mission]]></media:text>
                                <media:title type="plain"><![CDATA[NASA&#039;s GOLD mission]]></media:title>
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                                                            <title><![CDATA[ Moon's Supersonic Shadow Created Waves During the Solar Eclipse ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/61279-moon-s-supersonic-shadow-created-waves-during-the-solar-eclipse.html</link>
                                                                            <description>
                            <![CDATA[ When the moon's shadow zipped across the United States during the Great American Solar Eclipse this past August, the shadow traveled so fast it created waves in Earth's upper atmosphere, a new study finds. ]]>
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                                                                        <pubDate>Tue, 26 Dec 2017 23:19:19 +0000</pubDate>                                                                                                                                <updated>Wed, 14 Jan 2026 10:47:14 +0000</updated>
                                                                                                                                            <category><![CDATA[Astronomy]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                <author><![CDATA[ lgeggel@livescience.com (Laura Geggel) ]]></author>                    <dc:creator><![CDATA[ Laura Geggel ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/k3ZSoAzLJmGU4R9i248CkK-1280-80.jpeg">
                                                            <media:credit><![CDATA[NASA/Aubrey Gemignani]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[This composite image shows the progression of a total solar eclipse over Madras, Oregon, on Aug. 21, 2017.]]></media:description>                                                            <media:text><![CDATA[This composite image shows the progression of a total solar eclipse over Madras, Oregon, on Aug. 21, 2017.]]></media:text>
                                <media:title type="plain"><![CDATA[This composite image shows the progression of a total solar eclipse over Madras, Oregon, on Aug. 21, 2017.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ July Fourth Comes Early: NASA Sounding Rocket Releases Colorful Morning Cloud Show (Photos, Video) ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/59658-nasa-launch-makes-colorful-artificial-clouds.html</link>
                                                                            <description>
                            <![CDATA[ A NASA sounding rocket launched early this morning and lit up the skies over the U.S. East Coast with colorful clouds, ringing in an early July Fourth celebration. ]]>
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                                                                        <pubDate>Thu, 29 Jun 2017 16:31:52 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:23:51 +0000</updated>
                                                                                                                                            <category><![CDATA[Space Exploration]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Doris Elin Salazar ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/FqenKPSFz7G5WB8PHrayNg-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA Wallops/Twitter]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Finally! After several delays, NASA finally released colorful artificial clouds during a sounding rocket launch early June 29.]]></media:description>                                                            <media:text><![CDATA[Blue spherical lights appear in the sky]]></media:text>
                                <media:title type="plain"><![CDATA[Blue spherical lights appear in the sky]]></media:title>
                                                    </media:content>
                                                    <media:thumbnail url="https://cdn.mos.cms.futurecdn.net/FqenKPSFz7G5WB8PHrayNg-1280-80.jpg" />
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                                                            <title><![CDATA[ Chicken Sandwich Takes One Giant Leap for Food-Kind ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/59640-chicken-sandwich-makes-stratospheric-balloon-flight.html</link>
                                                                            <description>
                            <![CDATA[ In what appears to be a historic first, a chicken sandwich was successfully carried to the edge of space today aboard a high-altitude balloon. ]]>
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                                                                        <pubDate>Thu, 29 Jun 2017 16:22:47 +0000</pubDate>                                                                                                                                <updated>Tue, 06 Aug 2019 23:14:28 +0000</updated>
                                                                                                                                            <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Calla Cofield ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/8XHFLBezyu6rP9mHmKrxE4-1280-80.jpg">
                                                            <media:credit><![CDATA[KFC]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[A KFC chicken sandwich launched on a mision to the stratosphere aboard a World View Stratollite balloon at 9:11 a.m. EDT (1311 GMT) on June 29.]]></media:description>                                                            <media:text><![CDATA[KFC]]></media:text>
                                <media:title type="plain"><![CDATA[KFC]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ NASA Rocket to Create Colorful Artificial Clouds Over US East Coast Tonight (Watch Live) ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/59459-nasa-rocket-to-create-colorful-artificial-clouds.html</link>
                                                                            <description>
                            <![CDATA[ A small NASA rocket will launch to create colorful artificial clouds tonight (June 12), and you can watch all the action live. Weather permitting, the launch could be visible to spectators on the U.S. East Coast from New York to North Carolina. ]]>
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                                                                        <pubDate>Mon, 12 Jun 2017 21:35:17 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:24:03 +0000</updated>
                                                                                                                                            <category><![CDATA[Space Exploration]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Mike Wall ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/Y3MyhRQtj5j9C2rnjLnZiZ-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Artificial clouds should be visible shortly after 9 p.m. EDT on June 12 from New York to North Carolina if a NASA sounding rocket launches on time from the agency&#039;s Wallops Flight Facility in Virginia.]]></media:description>                                                            <media:text><![CDATA[Artificial clouds should be visible shortly after 9 p.m. EDT on June 12 from New York to North Carolina if a NASA sounding rocket launches on time from the agency&#039;s Wallops Flight Facility in Virginia.]]></media:text>
                                <media:title type="plain"><![CDATA[Artificial clouds should be visible shortly after 9 p.m. EDT on June 12 from New York to North Carolina if a NASA sounding rocket launches on time from the agency&#039;s Wallops Flight Facility in Virginia.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Odd New Theory Explains How Early Earth Got Its Oxygen ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/58827-how-early-earth-got-its-oxygen.html</link>
                                                                            <description>
                            <![CDATA[ One of the still-unsolved mysteries about Earth's history is how the planet became breathable. Now, scientists say the culprit may have been the giant rock slabs that make up Earth's outer shell. ]]>
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                                                                        <pubDate>Tue, 25 Apr 2017 17:57:52 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:03:59 +0000</updated>
                                                                                                                                            <category><![CDATA[Geology]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Jesse Emspak ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/o4P479hJeZc76Fqqgbu5Ba-1280-80.jpg">
                                                            <media:credit><![CDATA[Simone Marchi/NASA/SwRI]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An artistic conception of the early Earth.]]></media:description>                                                            <media:text><![CDATA[An artistic conception of the early Earth.]]></media:text>
                                <media:title type="plain"><![CDATA[An artistic conception of the early Earth.]]></media:title>
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                                                            <title><![CDATA[ Ammonia Detected in Earth's Atmosphere for First Time ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/57305-ammonia-detected-in-atmosphere.html</link>
                                                                            <description>
                            <![CDATA[ In an unexpected first, researchers have discovered ammonia in the troposphere, Earth's lowest atmospheric layer, a new study finds. ]]>
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                                                                        <pubDate>Thu, 22 Dec 2016 20:53:12 +0000</pubDate>                                                                                                                                <updated>Tue, 07 Jan 2025 11:44:42 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                <author><![CDATA[ lgeggel@livescience.com (Laura Geggel) ]]></author>                    <dc:creator><![CDATA[ Laura Geggel ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/Vk8VvnHSK4gfHbbHffrCRY-1280-80.jpg">
                                                            <media:credit><![CDATA[Pigdevil Photo | Shutterstock.com]]></media:credit>
                                                                                                                                                                                                                                    <media:description><![CDATA[atmosphere]]></media:description>                                                            <media:text><![CDATA[atmosphere]]></media:text>
                                <media:title type="plain"><![CDATA[atmosphere]]></media:title>
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                                                            <title><![CDATA[ Earth's Atmospheric Oxygen Levels Continue Long Slide ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/56219-earth-atmospheric-oxygen-levels-declining.html</link>
                                                                            <description>
                            <![CDATA[ Atmospheric oxygen levels have declined over the past 1 million years, although not nearly enough to trigger any major problems for life on Earth, a new study finds. ]]>
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                                                                        <pubDate>Thu, 22 Sep 2016 18:02:41 +0000</pubDate>                                                                                                                                <updated>Tue, 25 Mar 2025 16:53:17 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Charles Q. Choi ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/yaXJswZaut9gDfZaid85WR-1280-80.jpg">
                                                            <media:credit><![CDATA[Michael Bender]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Researchers analyzed samples from ice core drilling stations in Antarctica and Greenland to evaluate the planet&#039;s atmospheric oxygen levels throughout history.]]></media:description>                                                            <media:text><![CDATA[Ice Core Drilling Station]]></media:text>
                                <media:title type="plain"><![CDATA[Ice Core Drilling Station]]></media:title>
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                                                            <title><![CDATA[ Mystery of Bizarre Radar Echoes Solved, 50 Years Later ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/54724-mystery-of-bizarre-radar-echoes-solved.html</link>
                                                                            <description>
                            <![CDATA[ Weird radio echoes that appear at dawn every day over an observatory in Peru have long baffled scientists, until now. ]]>
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                                                                        <pubDate>Thu, 12 May 2016 13:05:23 +0000</pubDate>                                                                                                                                <updated>Wed, 14 Jan 2026 12:46:25 +0000</updated>
                                                                                                                                            <category><![CDATA[Physics &amp; Mathematics]]></category>
                                                                                                                    <dc:creator><![CDATA[ Jeanna Bryner ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/9MZfdfFujhgJtpppg8edNM-1280-80.jpg">
                                                            <media:credit><![CDATA[Jorge Chau.]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Radar echoes plotted over the course of two days show how the signal emerged at dawn, descended toward the ground, and then rose again over the course of the day.]]></media:description>                                                            <media:text><![CDATA[Radar echoes plotted over the course of two days show how the signal emerged at dawn, descended toward the ground, and then rose again over the course of the day.]]></media:text>
                                <media:title type="plain"><![CDATA[Radar echoes plotted over the course of two days show how the signal emerged at dawn, descended toward the ground, and then rose again over the course of the day.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Cosmic Dust on Earth Reveals Clues to Ancient Atmosphere ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/54716-space-dust-reveals-clues-ancient-earth-atmosphere.html</link>
                                                                            <description>
                            <![CDATA[ The oldest space dust yet found on Earth suggests that the ancient atmosphere of Earth had significantly more oxygen than previously thought, a new study finds. ]]>
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                                                                        <pubDate>Wed, 11 May 2016 18:40:43 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:01:11 +0000</updated>
                                                                                                                                            <category><![CDATA[Geology]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Charles Q. Choi ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/qHDaXxsFMu2KDH6LqV7Dfn-1280-80.jpeg">
                                                            <media:credit><![CDATA[Andrew Tomkins]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[One of 60 micrometeorites extracted from 2.7-billion-year-old limestone, from the Pilbara region in Western Australia. These micrometeorites consist of iron oxide minerals that formed when dust particles of meteoritic iron metal were oxidised as they entered Earth&#039;s atmosphere, indicating that the ancient upper atmosphere was surprisingly oxygen rich.]]></media:description>                                                            <media:text><![CDATA[Micrometeorite]]></media:text>
                                <media:title type="plain"><![CDATA[Micrometeorite]]></media:title>
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                                                            <title><![CDATA[ Missing Electrons in the Atmosphere Possibly Found ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/53222-missing-atmospheric-electrons-explained.html</link>
                                                                            <description>
                            <![CDATA[ The mysterious disappearance of electrons in the atmosphere could be caused by meteors burning up in the sky, new research suggests. ]]>
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                                                                        <pubDate>Tue, 29 Dec 2015 19:41:55 +0000</pubDate>                                                                                                                                <updated>Mon, 05 Aug 2019 19:49:11 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tia Ghose ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/RskdAt4kmNxfpY9Bx2f8Rb-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/Goddard]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The layers of Earth&#039;s atmosphere. A mysterious decline in the concentration of free electrons occurs in the D-region of the ionosphere, a phenomenon known as the D-region ledge. Now, researchers suggest the ledge can be explained by the burn up of tiny meteors in the atmosphere.]]></media:description>                                                            <media:text><![CDATA[layers of Earth&#039;s atmosphere]]></media:text>
                                <media:title type="plain"><![CDATA[layers of Earth&#039;s atmosphere]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ 'Magnetic' Discovery May Reveal Why Earth Supports Life and Mars Doesn't ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/51703-earth-magnetic-field-age.html</link>
                                                                            <description>
                            <![CDATA[ Earth's magnetic field, which protects the planet from harmful blasts of solar radiation, is much older than scientists had previously thought, researchers say. ]]>
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                                                                        <pubDate>Thu, 30 Jul 2015 20:33:51 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:35:44 +0000</updated>
                                                                                                                                            <category><![CDATA[Geology]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Charles Q. Choi ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/uRoTbpsVaYTyApABCaFPJm-1280-80.jpeg">
                                                            <media:credit><![CDATA[Michael Osadciw/University of Rochester]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An illustration of how Earth&#039;s magnetic field protects the planet from solar radiation.]]></media:description>                                                            <media:text><![CDATA[Earth&#039;s Magnetic Field]]></media:text>
                                <media:title type="plain"><![CDATA[Earth&#039;s Magnetic Field]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Whiffs of Antarctic Sulfur Hold Climate Clues ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/47178-antarctica-sulfur-climate-past-present.html</link>
                                                                            <description>
                            <![CDATA[ Huge wildfires sparked by a powerful El Niño event 16 years ago left a distinct tinge of sulfur in Antarctica's snow. ]]>
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                                                                        <pubDate>Mon, 04 Aug 2014 19:02:21 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:59:16 +0000</updated>
                                                                                                                                            <category><![CDATA[Climate change]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Becky Oskin ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/A5ARv6MWYBrSrjTG42YWUV-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[A satellite view of Antarctica.]]></media:description>                                                            <media:text><![CDATA[Antarctica]]></media:text>
                                <media:title type="plain"><![CDATA[Antarctica]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Secret Weapon? Conspiracy Theories Abound as US Military Closes HAARP ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/45829-haarp-shutdown.html</link>
                                                                            <description>
                            <![CDATA[ HAARP, the ionospheric research program and longtime target for conspiracy theorists, is set to shut down this year, despite complaints from some scientists, who say the facility could still be useful. ]]>
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                                                                        <pubDate>Thu, 22 May 2014 20:36:04 +0000</pubDate>                                                                                                                                <updated>Tue, 25 Mar 2025 16:53:26 +0000</updated>
                                                                                                                                            <category><![CDATA[Technology]]></category>
                                                                                                                    <dc:creator><![CDATA[ Stephanie Pappas ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/qyzctZkSj6h6utaW8fMp3d-1280-80.jpg">
                                                            <media:credit><![CDATA[Michael Kleiman, US Air Force]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The HAARP antenna array near Gakona, Alaska.]]></media:description>                                                            <media:text><![CDATA[HAARP in Alaska]]></media:text>
                                <media:title type="plain"><![CDATA[HAARP in Alaska]]></media:title>
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                                                            <title><![CDATA[ Origin of Mysterious Jellyfish Lightning 'Sprites' Revealed ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/45493-origin-of-reddish-lightning-sprites-revealed.html</link>
                                                                            <description>
                            <![CDATA[ The origin of the mysterious reddish lighting above thunderstorms, known as atmospheric sprites, has long puzzled scientists, but they now have some idea how it forms. ]]>
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                                                                        <pubDate>Fri, 09 May 2014 18:13:31 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:07:59 +0000</updated>
                                                                                                                                            <category><![CDATA[Weather]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tanya Lewis ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/QKkBeNbvwFPyip8ZEpkP9j-1280-80.jpg">
                                                            <media:credit><![CDATA[Jason Ahrns]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[A red sprite with a classic jellyfish shape viewed Aug. 6, 2013, above Canadian County, Okla.]]></media:description>                                                            <media:text><![CDATA[A red sprite with a classic jellyfish shape]]></media:text>
                                <media:title type="plain"><![CDATA[A red sprite with a classic jellyfish shape]]></media:title>
                                                    </media:content>
                                                    <media:thumbnail url="https://cdn.mos.cms.futurecdn.net/QKkBeNbvwFPyip8ZEpkP9j-1280-80.jpg" />
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                                                            <title><![CDATA[ Missing Xenon Gas Found in Earth's Core ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/44977-missing-xenon-found-in-earth-core.html</link>
                                                                            <description>
                            <![CDATA[ Mysteriously, most of the expected levels of xenon are missing from Earth's atmosphere. Now, researchers might have the answer: The noble gas, which usually doesn't bond with other atoms, may chemically react with iron and nickel in Earth's core. ]]>
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                                                                        <pubDate>Mon, 21 Apr 2014 13:02:02 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 15:24:50 +0000</updated>
                                                                                                                                            <category><![CDATA[Geology]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Charles Q. Choi ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/5zWJpMbForNcANDHHSkznD-1280-80.jpg">
                                                            <media:credit><![CDATA[Lawrence Berkeley National Laboratory]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The xenon gas missing from Earth&#039;s atmosphere might have been found. Scientists say it is stuck in Earth&#039;s core, where the noble gas is bound with other atoms.]]></media:description>                                                            <media:text><![CDATA[An illustration of Earth&#039;s layers, including the crust, mantle and core.]]></media:text>
                                <media:title type="plain"><![CDATA[An illustration of Earth&#039;s layers, including the crust, mantle and core.]]></media:title>
                                                    </media:content>
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                                                            <title><![CDATA[ Giant Impact That Formed the Moon Blew Off Earth's Atmosphere ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/40115-moon-origin-impact-earth-atmosphere.html</link>
                                                                            <description>
                            <![CDATA[ The moon came into existence after several planet-size space bodies smashed into the nascent Earth, with the final one actually forming our satellite, while several impacts blew off our planet’s atmosphere, according to a new study. ]]>
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                                                                        <pubDate>Wed, 02 Oct 2013 14:02:26 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:37:36 +0000</updated>
                                                                                                                                            <category><![CDATA[The Moon]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                    <category><![CDATA[Astronomy]]></category>
                                                                                                                    <dc:creator><![CDATA[ Katia Moskvitch ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/cEfMytxqyQhEKupNzSAxSY-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/JPL-Caltech]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[This artist&#039;s conception of a planetary smashup whose debris was spotted by NASA&#039;s Spitzer Space Telescope in 2009 gives an impression of the carnage that would have been wrecked when a similar impact created Earth&#039;s moon. Image released Oct. 17, 2012.]]></media:description>                                                            <media:text><![CDATA[Moon Born in Violence]]></media:text>
                                <media:title type="plain"><![CDATA[Moon Born in Violence]]></media:title>
                                                    </media:content>
                                                    <media:thumbnail url="https://cdn.mos.cms.futurecdn.net/cEfMytxqyQhEKupNzSAxSY-1280-80.jpg" />
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                                                            <title><![CDATA[ New Alien Life Claim Far from Convincing, Scientists Say ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/39823-alien-life-claim-space-microbes.html</link>
                                                                            <description>
                            <![CDATA[ A team of British researchers says a cell fragment found high up in Earth's atmosphere likely came from outer space. But such an extraordinary claim requires much more convincing evidence, outside scientists say. ]]>
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                                                                        <pubDate>Fri, 20 Sep 2013 15:08:55 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:54:10 +0000</updated>
                                                                                                                                            <category><![CDATA[Extraterrestrial Life]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Mike Wall ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/T9ftqTef7amizGdXuAtcD8-1280-80.jpg">
                                                            <media:credit><![CDATA[Lawrence Livermore National Laboratory]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Comets contain elements such as water, ammonia, methanol and carbon dioxide that could have supplied the raw materials, in which upon impact on early Earth would have yielded an abundant supply of energy to produce amino acids and jump start life.]]></media:description>                                                            <media:text><![CDATA[Comets Contain Elements for Life]]></media:text>
                                <media:title type="plain"><![CDATA[Comets Contain Elements for Life]]></media:title>
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                                                            <title><![CDATA[ Rockets' Red Glare! NASA Marks Fourth of July with Double Launch ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/37972-nasa-fourth-of-july-rocket-launches.html</link>
                                                                            <description>
                            <![CDATA[ NASA launched two small rockets from Virginia's Eastern Shore on July 4 to probe the electrical currents of the Earth's ionosphere. The Daytime Dynamo mission launched after days of delay just in time for the U.S. Fourth of July holiday. ]]>
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                                                                        <pubDate>Thu, 04 Jul 2013 17:09:27 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:04:07 +0000</updated>
                                                                                                                                            <category><![CDATA[Space Exploration]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Tariq Malik ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/woFZxjstrYV2nFLpvQkYS7-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/Patrick Black]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[A NASA Black Brant V sounding rocket launches from the agency&#039;s Wallops Flight Facility on Wallops Island, Va., at 10:31:25 a.m. ET on July 4, 2013. The rocket was the first of two to launch in support of the Daytime Dynamo experiment.  The Terrier-Improved Orion (foreground) was launched 15 seconds later. ]]></media:description>                                                            <media:text><![CDATA[NASA Fourth of July Launch: Liftoff]]></media:text>
                                <media:title type="plain"><![CDATA[NASA Fourth of July Launch: Liftoff]]></media:title>
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                                                            <title><![CDATA[ Faint 'Red Arcs' Spotted Over Europe ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/28350-red-arcs-over-europe.html</link>
                                                                            <description>
                            <![CDATA[ Advanced cameras helped scientists spot the phenomenon. ]]>
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                                                                        <pubDate>Tue, 02 Apr 2013 13:16:27 +0000</pubDate>                                                                                                                                <updated>Mon, 05 Aug 2019 20:32:44 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Charles Q. Choi ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/i8LXM8bBQtuNYCvBTMPG5b-1280-80.jpg">
                                                            <media:credit><![CDATA[Boston University Center for Space Physics]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[(left) An all-sky image of red light taken from Italy in 2011. To the north appears the diffuse aurora just above the horizon, with a red arc above it. (right) The northern portion of the image.]]></media:description>                                                            <media:text><![CDATA[Image of night sky with aurora and red arc]]></media:text>
                                <media:title type="plain"><![CDATA[Image of night sky with aurora and red arc]]></media:title>
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                                                            <title><![CDATA[ Balloon Flights Bring Near-Space Exploration to Masses ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/27706-near-space-balloons-science.html</link>
                                                                            <description>
                            <![CDATA[ You can launch a balloon mission to the stratosphere for about the cost of an iPad. ]]>
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                                                                        <pubDate>Thu, 07 Mar 2013 15:56:17 +0000</pubDate>                                                                                                                                <updated>Tue, 06 Aug 2019 15:17:41 +0000</updated>
                                                                                                                                            <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Leonard David ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/RRDRE8uHSidfq4nHHXizBG-1280-80.jpg">
                                                            <media:credit><![CDATA[Earth to Sky Calculus Club ]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[The students of the Earth to Sky project sent a bobblehead doll of President Obama flying on a weather balloon over Owens Valley, CA, on Nov. 5, 2012, in honor of Election Day.]]></media:description>                                                            <media:text><![CDATA[obama bobblehead owens valley]]></media:text>
                                <media:title type="plain"><![CDATA[obama bobblehead owens valley]]></media:title>
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                                                            <title><![CDATA[ 'Gigantic Jet' Lightning Spotted Over China ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/27451-gigantic-jet-lightning-china.html</link>
                                                                            <description>
                            <![CDATA[ Furthest from equator phenomenon has been observed. ]]>
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                                                                        <pubDate>Tue, 26 Feb 2013 14:58:54 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 13:07:15 +0000</updated>
                                                                                                                                            <category><![CDATA[Weather]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Elizabeth Howell ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/iyEojGhEUdsGAezDveMpPo-1280-80.jpg">
                                                            <media:credit><![CDATA[Steven Cummer]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[A gigantic jet captured above a storm in North Carolina in 2009.]]></media:description>                                                            <media:text><![CDATA[Gigantic jet lightning]]></media:text>
                                <media:title type="plain"><![CDATA[Gigantic jet lightning]]></media:title>
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                                                            <title><![CDATA[ Water Leaking Into Stratosphere Could Harm Ozone ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/26890-cirrus-clouds-water-stratosphere.html</link>
                                                                            <description>
                            <![CDATA[ More water than expected enters stratosphere, where it's a potent greenhouse gas. ]]>
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                                                                        <pubDate>Tue, 05 Feb 2013 22:39:44 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:56:04 +0000</updated>
                                                                                                                                            <category><![CDATA[Climate change]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Becky Oskin ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/pfGPkt792ReneMQ3vMPFJF-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA.]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Cirrus clouds in the tropics don&#039;t stop water from entering the stratosphere, a new study finds.]]></media:description>                                                            <media:text><![CDATA[Cirrus clouds]]></media:text>
                                <media:title type="plain"><![CDATA[Cirrus clouds]]></media:title>
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                                                            <title><![CDATA[ Atmosphere of Venus Has Strange Magnetic 'Ropes' ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/26194-venus-atmosphere-magnetic-ropes.html</link>
                                                                            <description>
                            <![CDATA[ Scientists have discovered strange magnetic ropes hundreds of miles long above the poles of Venus. ]]>
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                                                                        <pubDate>Fri, 11 Jan 2013 05:57:47 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:56:50 +0000</updated>
                                                                                                                                            <category><![CDATA[Venus]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                    <category><![CDATA[Astronomy]]></category>
                                                    <category><![CDATA[Planets]]></category>
                                                                                                                    <dc:creator><![CDATA[ Elizabeth Howell ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/eEGXkioUtfJkvscjWfCDQU-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/Magellan]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An unstable climate birthed by a tidally-locked planet could create a runaway greenhouse effect that could result in an atmosphere like Venus&#039;s.]]></media:description>                                                            <media:text><![CDATA[Venus  Atmosphere Globe]]></media:text>
                                <media:title type="plain"><![CDATA[Venus  Atmosphere Globe]]></media:title>
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                                                            <title><![CDATA[ NASA Drone to Probe Ozone Loss ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/26161-nasa-drones-ozone-study.html</link>
                                                                            <description>
                            <![CDATA[ Remote-controlled plane will ply the tropopause to study ozone chemistry. ]]>
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                                                                        <pubDate>Thu, 10 Jan 2013 17:17:47 +0000</pubDate>                                                                                                                                <updated>Mon, 05 Aug 2019 19:00:50 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Becky Oskin ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/4SiKrNMH9xzw5dwiZ55iS8-1280-80.jpg">
                                                            <media:credit><![CDATA[J. Zavaleta/NASA]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[NASA Global Hawk being loaded with monitoring equipment for the ATTREX mission.]]></media:description>                                                            <media:text><![CDATA[NASA Global Hawk being loaded with monitoring equipment for the ATTREX mission.]]></media:text>
                                <media:title type="plain"><![CDATA[NASA Global Hawk being loaded with monitoring equipment for the ATTREX mission.]]></media:title>
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                                                            <title><![CDATA[ Is Ozone Good or Bad? ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/32339-is-ozone-good-or-bad.html</link>
                                                                            <description>
                            <![CDATA[ If it's high up in the atmosphere, it's good. If you're breathing it in, it's bad. ]]>
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                                                                        <pubDate>Wed, 12 Dec 2012 16:03:00 +0000</pubDate>                                                                                                                                <updated>Thu, 15 Aug 2019 01:16:53 +0000</updated>
                                                                                                                                            <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Andrea Thompson ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/X3kaMXtmLFCpkvER3igXxi-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/JPL-Caltech]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Ozone is necessary and good, but only high in the atmosphere.]]></media:description>                                                            <media:text><![CDATA[ozone, ozone layer, ozone intrusions]]></media:text>
                                <media:title type="plain"><![CDATA[ozone, ozone layer, ozone intrusions]]></media:title>
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                                                            <title><![CDATA[ Global Warming Cause Felt by Satellites and Space Junk ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/24723-global-warming-carbon-dioxide-space-junk.html</link>
                                                                            <description>
                            <![CDATA[ Carbon dioxide surge is reducing Earth's atmospheric pull. ]]>
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                                                                        <pubDate>Mon, 12 Nov 2012 19:34:14 +0000</pubDate>                                                                                                                                <updated>Wed, 14 Jan 2026 10:40:21 +0000</updated>
                                                                                                                                            <category><![CDATA[Climate change]]></category>
                                                    <category><![CDATA[Planet Earth]]></category>
                                                                                                                    <dc:creator><![CDATA[ Charles Q. Choi ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/fgkfpttM9yLEvEkf8kPJRY-1280-80.jpg">
                                                            <media:credit><![CDATA[Canadian Space Agency]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[An artist&#039;s illustration of the Canadian Space Agency&#039;s SCISAT-1 satellite in orbit, which is carrying the Atmospheric Chemistry Experiment to track carbon dioxide levels in Earth&#039;s atmosphere. ]]></media:description>                                                            <media:text><![CDATA[ace sciscat 1 satellite]]></media:text>
                                <media:title type="plain"><![CDATA[ace sciscat 1 satellite]]></media:title>
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                                                            <title><![CDATA[ Obama Bobblehead Launched Into Stratosphere (Romney, Too) ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/24682-obama-romney-bobblehead-stratosphere-launch.html</link>
                                                                            <description>
                            <![CDATA[ The bobbleheads' wild ride was caught on video. ]]>
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                                                                        <pubDate>Fri, 09 Nov 2012 17:29:53 +0000</pubDate>                                                                                                                                <updated>Tue, 20 Jan 2026 14:55:20 +0000</updated>
                                                                                                                                            <category><![CDATA[Space Exploration]]></category>
                                                    <category><![CDATA[Space]]></category>
                                                                                                                    <dc:creator><![CDATA[ Mike Wall ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/TtEZb4rTCqGw2n353zmnJk-1280-80.jpg">
                                                            <media:credit><![CDATA[Earth to Sky Calculus Club]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[Middle and high school students of the Earth to Sky Calculus club project in Bishop, Calif., launched a bobblehead toy of President Barack Obama into the stratosphere on Nov. 5, 2012, one day before Election Day, using a high-altitude balloon that reached 120,000 feet. ]]></media:description>                                                            <media:text><![CDATA[obama bobblehead mono lake]]></media:text>
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                                                            <title><![CDATA[ How Supersonic Skydiver Will Freefall Through Earth's Atmosphere ]]></title>
                                                                                                                                                                                                <link>https://www.livescience.com/31780-supersonic-skydive-earth-atmosphere.html</link>
                                                                            <description>
                            <![CDATA[ A daredevil will skydive to Earth from 23 miles up on Oct. 8, diving through two layers of Earth's atmosphere. ]]>
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                                                                        <pubDate>Fri, 05 Oct 2012 23:26:04 +0000</pubDate>                                                                                                                                <updated>Wed, 14 Jan 2026 10:49:38 +0000</updated>
                                                                                                                                            <category><![CDATA[Physics &amp; Mathematics]]></category>
                                                                                                                    <dc:creator><![CDATA[ Live Science Staff ]]></dc:creator>                                                                                                    <media:content type="image/jpeg" url="https://cdn.mos.cms.futurecdn.net/rXVySorN3fN5nKhoExbjt5-1280-80.jpg">
                                                            <media:credit><![CDATA[NASA/Crew of Expedition 22]]></media:credit>
                                                                                                                                                                        <media:description><![CDATA[In this image, taken of the space shuttle Endeavour in 2010 by an astronaut on the ISS, the orange layer is the troposphere, the whitish layer is the stratosphere and the black layer is the mesosphere.]]></media:description>                                                            <media:text><![CDATA[Endeavour Silhouette]]></media:text>
                                <media:title type="plain"><![CDATA[Endeavour Silhouette]]></media:title>
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