In a new study, researchers said they uncovered part of a skull as well as arm, leg and tail bones from the Lago Colhué Huapi rock formation in Patagonia. They noticed unique features in the bones ...

Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within the dinosaur's mouth. The new species, dubbed Joaquinraptor casali, is ...

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 group of ...

NEW YORK (AP) — Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a ...

LONDON — A former PhD student analyzing 125-million-year-old fossils has made waves with the discovery of a new species of dinosaur that had a sail on its back. The findings, published in the journal ...

Paleontologists have discovered a new dinosaur species with a very distinctive feature, a sail-like structure running down its back, the Natural History Museum in London announced on Friday. The bones ...

Paleontologists have found the fossilized remains of the oldest dome-headed dinosaur ever discovered.

A new dinosaur species from Patagonia, Joaquinraptor casali, steps out of the shadows with a telltale clue clenched in its ...