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Cataclysmic crash with neighboring planet may be the reason there's life on Earth today, new studies hintEarly Earth may not have had the right ingredients for life — until a nearby Mars-size planet crashed into it, two new studies hint.
4 Commentsastronomy -
Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere"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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'Space hurricane' caught raging over North Pole during one of the sun's quietest daysA rare "space hurricane" that swirled over Earth's North Pole in 2014 caused intense space weather effects despite unusually quiet solar conditions, a new study reports.
astronomy -
Meteorite that crash landed through Georgia man's roof is 20 million years older than Earth, scientists sayResearchers have analyzed the McDonough meteorite, which crashed through a man's home in June, and determined that it is older than our planet.
11 Commentsmeteoroids -
Earth, Mars, Venus — and a long-lost planet — may have once 'waltzed' in perfect harmony around the sunNew simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.
planets -
5th planet found orbiting nearby star may lie in habitable zoneA super-Earth exoplanet has been detected within the habitable zone of a nearby red dwarf star, where liquid water might exist on its surface under the right atmospheric conditions.
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NASA spacecraft snaps images of lunar transit and Earth eclipse on the same day — see the photosThe Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same.
the-sun -
When did our solar system's planets form? Discovery of tiny meteorite may challenge the timelineAnalysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.
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Earth is starting to spin faster — and scientists are considering doing something unprecedentedTwo days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second.
7 Commentsplanet-earth
