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NASA Goes for 'GOLD' to Scan the Border of Earth and SpaceA 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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Moon's Supersonic Shadow Created Waves During the Solar Eclipse -
July Fourth Comes Early: NASA Sounding Rocket Releases Colorful Morning Cloud Show (Photos, Video)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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Chicken Sandwich Takes One Giant Leap for Food-KindIn 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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NASA Rocket to Create Colorful Artificial Clouds Over US East Coast Tonight (Watch Live) -
Odd New Theory Explains How Early Earth Got Its OxygenOne 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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Ammonia Detected in Earth's Atmosphere for First TimeIn an unexpected first, researchers have discovered ammonia in the troposphere, Earth's lowest atmospheric layer, a new study finds.
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Earth's Atmospheric Oxygen Levels Continue Long SlideAtmospheric 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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Mystery of Bizarre Radar Echoes Solved, 50 Years LaterWeird radio echoes that appear at dawn every day over an observatory in Peru have long baffled scientists, until now.
