Add Yahoo as a preferred source to see more of our stories on Google. On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs. In ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from the carcass of a dead horned dinosaur, Triceratops, that she was feeding on ...

The asteroid that ended the age of dinosaurs may have been far rarer, drier and less sulfur-rich than scientists once thought. Traces buried in clay now point toward an unusual meteorite with roots in ...

Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass extinction in the way scientists previously thought. Reading time 3 minutes ...

How a few unique traits helped modern-style birds—the last living dinosaurs—survive the asteroid apocalypse that took out T. rex and other mighty beasts If you're enjoying this article, consider ...

While dinosaurs stood no chance when a massive asteroid hit Earth 66 million years ago, microscopic plankton bounced back surprisingly fast. The Cretaceous-Paleogene (K-Pg) extinction event devastated ...