Helium-3 dating reveals new plankton species emerged within thousands—and sometimes just 2,000—years after the dinosaur-killing impact, showing life recovered far faster than assumed.

About 66 million years ago, a city-size asteroid slammed into what is now the Yucatán Peninsula, ushering in a long period of darkness that snuffed out the nonavian dinosaurs. Researchers have long ...

Add Yahoo as a preferred source to see more of our stories on Google. Dinosaurs look on as an asteroid plumets through the sky. 66 million years ago, a large asteroid crashed into Earth near Mexico's ...

The Chicxulub Impact Crater, located on the Yucatán Peninsula, represents one of Earth’s most significant impact structures and offers a unique window into catastrophic processes that reshaped the ...

Scientists investigating the asteroid that wiped out dinosaurs after slamming into the Earth 66 million years ago have released a new study suggesting that it formed "beyond the orbit of Jupiter." The ...

The Chicxulub impact structure in Mexico is widely believed to be the site of the asteroid impact that allegedly killed the dinosaurs. As Sergio de Régules reports, scientists are now preparing to ...

In an age when dinosaurs ruled the Earth, a dramatic event reshaped the course of history. Their reign, spanning millions of years, came to an abrupt end, leaving behind a mystery that has captivated ...

A depiction of a large asteroid impacting Earth some 66 million years ago. Credit: Mark Garlick / Science Photo Library / Getty Images A menacing asteroid, some six miles wide, triggered Earth's last ...

A team of scientists led by Universities Space Research Association’s David Kring at the Lunar and Planetary Institute is using observations of the Moon to further understand the impact on Earth that ...