Theropods – the family of dinosaurs that included the mighty Tyrannosaurus rex and the smaller Allosaurus – had the largest and most sophisticated brains of any such dinosaur group. But scientists ...

A researcher was hired to study the fossils: how did these dead dinosaurs end up there, together? What do their bones tell us of their lives and their deaths? "The material is of very good quality," ...

An analysis shows that feathered-covered dinosaurs came in different colorsClarke et al It’s probably hard to believe, but there was a time, not that long ago, when scientists thought dinosaurs were ...

Dinosaurs dominated the world right up until a deadly asteroid hit the earth, leading to their mass extinction, some 66 million years ago, a landmark study reveals. Fresh insights into dinosaurs' ...

Scientists have long debated why non-bird dinosaurs, including Tyrannosaurus rex and Triceratops, became extinct—whereas mammals and other species such as turtles and crocodiles survived. The new ...