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 ...

Fossilized dinosaur teeth are turning out to be much more than ancient leftovers — they’re helping scientists figure out what these massive animals ate, how they coexisted, and even how far they might ...

At the end of the Cretaceous, the duck-billed hadrosaurs were the most advanced herbivores on Earth. New research has revealed just how voracious these dinosaurs were, with their average tooth worn ...

This dinosaur’s skull was light as air but its mouth was packed with power—and a unique ability to quickly grow teeth. Here’s how Nigersaurus was built for nonstop grazing. The cast of the skull of ...

Fossilized dinosaur teeth can reveal a lot more than just how these creatures ate and who they were related to – they can also tell us what the air was like in prehistoric times. As it turns out, ...

Sauropod tooth scratches reveal that some dinosaurs migrated seasonally, others ate a wide variety of plants, and climate strongly shaped their diets. Tanzania’s sand-blasted vegetation left ...

Some dinosaurs were fussy eaters. Certain herbivorous dinosaurs preferred specific parts of plants, challenging long-standing assumptions about their diets, a study of fossilized dino teeth shows. The ...

Alabama Museum of Natural History Director Dr. John Friel recently found an unusual surprise in the waters of Aliceville’s Shark Tooth Creek. The discovery has been identified as “a very rare, 84 ...