• Astrobiology Magazine is highlighting the top 10 stories of 2010. At number 4 is the flyby of comet Hartley 2 by NASA's EPOXI spacecraft. The images it captured show a peanut-shaped nucleus with many jets of gas spewing from its surface. (Originally published 11/05/2010
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  • Astrobiology Magazine is highlighting the top 10 astrobiology stories of 2010. At number 9 is a story about how NASA's WISE telescope could settle the argument about whether our Sun has a companion star (nicknamed 'Nemesis.') (Originally published 3/11/2010).
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  • NASA's EPOXI spacecraft flew by comet Hartley 2, and the images it captured show a peanut-shaped nucleus with many jets of gas spewing from its surface. Studying comets like Hartley 2 can help astrobiologists determine if comets played a role in the origin of
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  • Doubt Cast on Existence of Habitable Alien World
    Last month, astronomers announced the discovery of the first potentially habitable extrasolar planet. But at an astronomy meeting this week, doubts were raised about whether this new planet really exists.
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  • Stromatolites are the most ancient fossils on Earth, and these structures built by microbes can still be found forming today in various places around the globe. Although they provide a straight line of life´s history from the past to the present, comparing modern and
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  • The Impact that Shattered Santa Fe
    A large meteorite impact can have a profound effect on life. The explosive force is often compared to a nuclear detonation, and the debris tossed high into the atmosphere can alter our planet´s climate. In the mountains of New Mexico, scientists have found evidence
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  • Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of Mars can help future missions "follow the water" in
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  • The 2010 Astrobiology Science Conference was a wild rodeo of ideas, debates, and scientific discovery. Although there was far too much science presented over four days to cover in full, this round-up provides a few highlights.
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  • Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.
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  • Who should explore space: robots or humans? Our ability to travel beyond Earth is hampered by the harsh conditions of space, but rather than let robots have all the fun, could cyborg technology allow humans to make greater strides into the final frontier?
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