Colorado fossil history comes alive at a small museum with Stegosaurus finds, guided tours, and big surprises.

Researchers at SMU and the Perot Museum have identified a new species of mosasaur, a 'T. rex of the sea' that lived alongside ...

In National Geographic's inaugural edition of the Stones & Bones newsletter, we travel to the far reaches of Argentina to ...

A technique that has rewritten the timeline of prehistoric art may be overestimating the ages of cave paintings, some ...

Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called ...