dinosaurs

Bone cavities called air sacs appeared in the ancestors of long-necked dinosaurs about 225 million years ago

First armored dinosaur to be described from the Isle of Wight in 142 years

Scientists have discovered a new species of mosasaur, adding to evidence of the vast diversity of these marine reptiles

Study challenges some of the best-known depictions of predatory dinosaurs

Unusual fossil reveals more about the diet of Microraptor, a bird-like dinosaur with four wings

By examining tooth shapes, researchers have been able to speculate on early dinosaur diets

Zuul shows that ankylosaurs may have also used their tail clubs for social dominance

This finding also settles a nearly century-long debate about the evolution of Pterosaurs

Researchers find evidence to support the hypothesis that dinosaurs were not very diverse before their extinction

New study reexamines the explosive evolution and diversification of reptiles during the Triassic period