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 ...

Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or ...

Fossil evidence from New Mexico shows dinosaurs were still strong, diverse, and thriving before their sudden extinction 66 ...

A fresh analysis of a site in New Mexico provides a glimpse into the final days of the dinosaurs, showing their diversity before going extinct.

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

The arrow doesn't just go in one direction." Dinosaurs became extinct after a large asteroid slammed into the Yucatan Peninsula. Scientists looking for evidence of the asteroid saw that the rocks ...

When it comes to dinosaur extinction, the working idea is what’s called the bolide impact. This is the hypothesis that a meteorite came to the surface of the Earth, hit the Earth and led to the ...

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, ...

It won't be a massive asteroid that dooms these Seattle dinosaurs. The sky won’t darken into a lethal haze of vaporized rock and soot. But the Pacific Science Center’s animatronic dinosaurs are going ...

Study warns that humans may be driving Earth toward a sixth mass extinction. The research shows species loss, but the future ...

The skeletons of a duck-billed dinosaur found more than 100 years ago are so well-preserved that they contain fleshy body ...