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 ...

Meat-eaters like tyrannosaurs and Velociraptors all belong to a group of dinosaurs called theropods. The teeth that they used to rip apart their fleshy prey are complex and vary in size, shape, and in ...

Trapped in the enamel of fossilized dinosaur teeth is a fascinating glimpse into the Earth's atmospheric past stretching back 150 million years. A recent study shows that carbon dioxide levels back ...

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 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 ...

Fossils of tiny, jawless marine animals reveal tooth structures sharper than sharks or steel, forcing scientists to rethink ...

Fossils from baby dinosaurs, some no bigger than a fingernail, point to the possibility that certain species lived and nested ...

Dinosaurs may be long extinct, but 2025 made it abundantly clear that they’re anything but settled science. Over the past year, new fossils, reanalyses of famous specimens and the use of increasingly ...