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 ...

Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone ...

Found in the Lago Colhué Huapi Formation in Patagonia, Argentina, J. casali may have been the apex predator of its Cretaceous ...

Scientists have discovered a new dinosaur from Argentina that may have used its long arms and claws to capture prey.

Paleontologists discovered a new species of iguanodontian dinosaur that lived 125 million years ago during the Cretaceous period.

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

Most of what researchers previously knew about the iconic Cretaceous dinosaurs came from their domed heads, which endured ...

A dinosaur dubbed one of the "strangest" ever found boasted an elaborate armory of long bony spikes and a tail weapon, according to findings published in the science journal Nature. Spicomellus, which ...

A refined type of spectroscopy could advance a long-standing debate about the presence of dinosaur soft tissue ...

Meet Joaquinraptor casali, a newly discovered megaraptorid that dominated parts of South America during the late Cretaceous.

Scientists have discovered a new species of dinosaur, Joaquinraptorcasli in Patagonia, Argentina, feasting on an ancient ...