Beneath layers of ancient sediment and time, a small but game-changing dinosaur skull emerged from the earth, as if it had ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or ...

A new pachycephalosaur, officially named Zavacephale rinpoche, was described in the journal Nature. The word rinpoche is ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

The cast of the skull of Nigersaurus. The fossil skull of Nigersaurus was one of the first dinosaur skulls to be digitally reconstructed from CT scans. Photograph by Ira Block, Nat Geo Image ...

Paleontologists spotted injuries on the tails of duck-billed dinosaur fossils that might have occurred during mating.

This week paleontologists at a Colorado dinosaur center unveiled a 3D model of the skull of a teratophoneus curriei. That's a "rare new genus of tyrannosaur," according to the Rocky Mountain Dinosaur ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

It was a gray morning on the steppes of central Mongolia when paleontologist Tsogtbaatar Chinzorig spotted something glinting on a distant slope. It was not a rock.

Palaeontologists have argued for decades over whether certain fossils are young Tyrannosaurus rex or another species entirely ...

Scientists have discovered a new dinosaur with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a mysterious group of dinosaurs ...

Around 110 million years ago, a dinosaur went hunting. Stalking through ferns along a riverbank, he twitched his nose to the wind and caught scent of a plant-eater ahead. His head darted upward. His ...