Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...

New evidence has emerged that dinosaurs in North America were thriving, and not in decline, before the asteroid hit.

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

What if the asteroid that killed the dinosaurs struck Earth today? This video explores the potential consequences of such an ...

Fossils from New Mexico change how we look at dinosaur history.

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America.

The end of the dinosaurs was clearly linked to an asteroid impact that brought the Cretaceous period to a close. But the ...

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

Scientists have studied the so-called Chicxulub impact for decades but only on millennia timescales. For the first time, researchers have zeroed in on when the asteroid or comet walloped Earth, and ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The dinosaur-killing asteroid that struck Earth around 66 million years ago was huge — around 7 ...