At the end of the Cretaceous, the duck-billed hadrosaurs were the most advanced herbivores on Earth. New research has ...

We won the dinosaur lottery,” says curator James Hagadorn, who helped ID the 67.5-million-year-old bit of bone.

New dinosaur Enigmacursor clarifies taxonomy and highlights overlooked species in the Morrison Formation. A small dinosaur ...

Enigmacursor darted around North America in the Late Jurassic 145-150 million years ago and its skeleton is now on display in ...

The speedy, plant-eating creature lived in what is now Colorado roughly 150 million years ago, and its skeleton went on ...

Slightly more recent dinosaur dung belonged to early carnivores and small herbivores. Even younger bromalites were linked to the emergence of the first large herbivorous dinosaurs, sauropodomorphs.