SAN FRANCISCO — The rock and dust kicked up by an asteroid impact 65 million years ago was not enough to kill the dinosaurs, according to researchers--but the debris might have sparked a deadly ...

When colossal asteroids rock Earth, it's not all doom and gloom. The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula. But after ...

Some 65 million years ago, a big rock -- a very big rock -- slammed into the southwest portion of the Yucatan Peninsula in Mexico, creating a 110- to 180-mile crater and triggering a biological ...

The day a massive asteroid hit our planet about 65 million years ago may have been the most chaotic day on Earth, and we’re not just talking about the mass extinction part. New research on the ...

Dinosaurs went extinct 65 million years ago because of a massive asteroid that hit the Earth in the Yucatán Peninsula in Mexico, now known as the Chicxulub crater. While it's been generally accepted ...

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 ...

Almost 66 million years ago, a huge asteroid slammed into the Earth and changed it forever. Roughly three quarters of all life on the planet was wiped out, including the dinosaurs, and the scar is ...

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 ...

When David Kring of the University of Arizona gave a presentation at the Lunar and Planetary Science Conference in 1991, he didn’t expect a packed crowd for his talk on the petrology of the Chicxulub ...