The asteroid impact that wiped out the dinosaurs didn’t keep life down for long. New research shows that microscopic plankton began evolving into new species within just a few thousand years—and ...

Add Yahoo as a preferred source to see more of our stories on Google. More than 60 million years ago, a giant asteroid—or comet—slammed into Earth, catalyzing the extinction of the dinosaurs. This ...

Off the coast of Mexico, the Chicxulub crater is all that remains of a defining moment in Earth's history. The hole spans 93 miles wide and bores 12 miles deep into the Earth. It was left by an ...

The main culprit behind the end of the dinosaurs is now widely accepted to be an extraterrestrial collision of epic proportions, one that left behind the gargantuan crater of Chicxulub at Mexico.

Sixty-six million years ago, an asteroid slammed into Earth so hard it essentially turned solid ground to liquid. This is according to a new study on an unusual ring of smashed rocks beneath Mexico’s ...

Harvard astrophysicists proposed a new model showing that the Chicxulub impactor — the celestial body responsible for the mass extinction of the dinosaurs — could have been of cometary, rather than ...