This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… three to ten ...
Space Exploration
Apr 17, 2014
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(Phys.org) —Picture this: A massive asteroid almost as wide as Rhode Island and about three to five times larger than the rock thought to have wiped out the dinosaurs slams into Earth. The collision punches a crater into ...
Earth Sciences
Apr 9, 2014
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NASA's Asteroid Data Hunter contest series will offer $35,000 in awards over the next six months to citizen scientists who develop improved algorithms that can be used to identify asteroids.
Space Exploration
Mar 11, 2014
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The asteroid impact that burst over Chelyabinsk, Russia, on the morning of February 15 has provided a huge collection of new data that scientists have been analysing since. This week, three papers, two in Nature and one in ...
Space Exploration
Nov 27, 2013
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Three studies have revealed details of the meteor that exploded above Russian city, Chelyabinsk, in February this year.
Space Exploration
Nov 7, 2013
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A new study shows how the heat generated from an asteroid impact could lead to a crater becoming a refuge for life, or even a potential birthplace for life's origin.
Space Exploration
Nov 4, 2013
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Hundreds of thousands of asteroids orbit the Sun, and a very few have a high risk of striking Earth. But a direct hit can be devastating, as evidenced by the explosion over Chelyabinsk, Russia, this February of a meteor no ...
Space Exploration
Oct 25, 2013
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(Phys.org) —For the threat of meteor strikes large or small, early detection is key, and evacuation may be the only defense needed within the next 1,000 years, according to an asteroid impact expert.
Space Exploration
Oct 21, 2013
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(Phys.org) —Five years ago this week, ESA's Rosetta mission flew by asteroid Steins en route to comet Churyumov–Gerasimenko, where it will finally arrive next year after a decade in space.
Space Exploration
Sep 2, 2013
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Dinosaurs roamed the Earth for 135 million years. Filling every ecological niche, from the oceans, forests and plains; even the skies.
Space Exploration
Jul 19, 2013
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