The area known as the Santana Group in the Araripe Basin in northeastern Brazil has long been an important fossil site, ...

Paleontologists have discovered the fossil bones of Tenontosaurus sp. -- an Early Cretaceous ornithopod dinosaur from North ...

The fossils found reveal the existence of Ahshislesaurus wimani, a new, duck-billed hadrosaur from the late Cretaceous period ...

The new species is called Nanotyrannus. Compared to the well known tyrannosaurus rex, a nanotyrannus was more speedy and ...

"I wasn't out looking for fossils that day," Ricketts said. "I was studying the rocks in the area when I noticed fragments ...

A dinosaur fossil discovery by a researcher from The University of Texas at El Paso may expand the known range of a species ...

A newly discovered dinosaur in Patagonia, so massive that its fossil literally cracked a road, is challenging long-held ...

A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the ...

A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.

NEW YORK — Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious ...

Scientists in Argentina discovered the oldest known long-necked dinosaur, Huayracursor jaguensis, revealing a much earlier ...