Paleontologists may have discovered when plant-eating dinosaurs evolved their long necks after a new species of ...

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 ...

The dinosaur existed during the Late Triassic period, known for the first real appearances of dinosaurs and the early ...

The dinosaur’s bones are being held at the National University of Patagonia San Juan Bosco. There are no plans to put the ...

The find is from a mysterious group of dinosaurs called megaraptorans, which were known for their stretched-out skulls and ...

Argentinian scientists have found fossilized bones of one of the world's oldest dinosaur species in the Andes Mountains, the ...

The almost complete skeleton of a previously unknown species, Huayracursor jaguensis, has been found in northwest Argentina, ...

Hadrosaurid Ahshislesaurus wimani, named for the Ah-shi-sle-pah Wilderness where it was found, may have stretched more than 35 feet long.

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 ...

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 (7 meters) long and hailed from a ...