A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like. Paul Sereno and his colleagues spent years painstakingly preparing this ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

Dinosaur feathers found trapped in Burmese amber have shed new light on the evolution of flight feathers, an essential step that allowed early birds to surpass their dinosaur relatives in conquering ...

The creature is thought to have met its end around 66 million years ago. News Reporter Scientists have uncovered fleshed-out imprints of a pair of hoofed dinosaurs in Wyoming. Hardened clay formed ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...