News Feature: Life after the asteroid apocalypse [Earth, Atmospheric, and Planetary Sciences]

Sixty-six million years ago, an asteroid wiped out a huge swath of life on planet Earth. Could similar impacts have helped kick-start life itself? "Wow, she's really high above the water," Sean Gulick thought as his ship chugged toward a drilling platform some 30 kilometers off Mexico's Yucatan Peninsula. Perched...

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