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The massive rock that smashed into Earth 66 million years ago killed off many dinosaur species, but the animals were in steady decline for millennia before the cataclysm, researchers report.

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image: Point of Impact

Point of Impact

By | September 16, 2013

The collision of comets and icy surfaces can spur the formation of amino acids.

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image: Meteorite hints at life’s origins

Meteorite hints at life’s origins

By | June 9, 2011

As debate continues to swirl around arsenic-loving bacteria, a space rock yields new astrobiological clues.

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