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 ...

A collection of dinosaur teeth hailing back to the Cretaceous and Jurassic periods has given scientists a new window into the world's prehistoric climate. By studying an isotope of oxygen in the ...

Dinosaurs may have vanished millions of years ago, but their teeth still carry a message from Earth’s distant past. A team of scientists from the Universities of Göttingen, Mainz, and Bochum has shown ...

Dinosaur teeth discovered by a now retired quarryman have revealed a community of prehistoric predators that lived around 135 million years ago in an "exciting" discovery. Paleontologists examined ...

A newly discovered raptor had a knobby bump on its head, suggesting that, like some larger dinosaurs, it engaged in ...

A previously unexploited source of information is now throwing new light on the Earth's climate during the age of dinosaurs. Fossilized dinosaur teeth show that concentrations of carbon dioxide in the ...