Despite previous research, Earth's long-gone mega-reptiles probably weren't dying off before an impact winter did them in for ...

The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

A new study found dinosaurs were thriving on Earth before asteroid hit, challenging idea they were already in decline before ...

A new study suggests that dinosaurs likely weren't in decline before an asteroid wiped them out 66 million years ago; instead ...

The study says dinosaurs were not doomed before the asteroid impact. Dinosaurs could have been roaming Earth today if it wasn't for the asteroid, says a new study, as it suggests their existence ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

Fossils from the late Cretaceous are less likely to be discovered, say researchers, primarily because of fewer locations with ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction ...

Long before the asteroid hit Earth and wiped out the dinosaurs, many mammals had already started living on the ground, ...

Preserved in amber, the wasp appears to have used a Venus flytrap-like structure on its body to grasp potential hosts.

However, the hind wings aren’t its only striking features. S. charybdis appears to have evolved a unique, three-flapped ...