The extinction of dinosaurs reshaped rivers, forests, and landscapes—changes still recorded in the rock layers across North America.

Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, leaving birds as their only living descendants. Scientists know that a wide variety of ...

The future of Tyra the Tyrannosaurus is still up in the air, but that's not stopping her from leaving a big footprint in ...

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million years ...

A study of dinosaur eggs from the time of their mass extinction has said the species was already on its way out before an asteroid struck. Researchers from the Institute of Vertebrate Paleontology and ...

Sixty-six million years ago, a catastrophic asteroid impact wiped out 75% of Earth’s species, bringing an abrupt end to the reign of the nonavian dinosaurs. The 9-mile-wide (15 km) space rock struck ...

It's been 66 million years since dinosaurs roamed the Earth, and many may blame an asteroid's explosive collision with our planet for the end of the creatures' reign. But for years, scientists have ...

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

We’ve long heard that a meteorite likely wiped out the dinosaurs, but an international study is shedding light on how climate change may have played into the extinction of the dinos. A study recently ...