Just a few fossil fragments of a tiny creature discovered thousands of miles north of its contemporaries have shaken our ...

Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.

Study finds the oldest known North American dinosaur fossil in Wyoming, challenging previous beliefs about dinosaur evolution.

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

A saber-toothed predator from over 270 million years ago has been unearthed on Mallorca. The fossil represents the ...