Some 66 million years ago, life on Earth had a pretty bad day. The infamous Chicxulub asteroid slammed into the planet. The ...

66 million years ago, a large asteroid crashed into Earth near Mexico's Yucatán Peninsula, sparking a frigid global winter that led to the mass extinction of dinosaurs who had reigned over the planet ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Sixty-six million ...

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 ...

It's the first global simulation of the tsunami caused by the Chicxulub impact to be published in a peer-reviewed scientific journal, according to the authors. The tsunami was powerful enough to ...

The Chicxulub impact threw sulfur gas, soot and dust into the air. New research finds that the dust may have been the most devastating. When you purchase through links on our site, we may earn an ...