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

Dome-headed dinosaurs, officially called pachycephalosaurs, are one of the “most enigmatic” creatures from the Cretaceous (145 million to 66 million years ago). While these herbivores often appear in popular culture,

A perfectly preserved dinosaur embryo has been found in China: little Yingliang reveals the posture of birds before birth.

More than a century after its discovery, a mysterious fossil from South Wales has finally been confirmed as belonging to a new species of predatory dinosaur. Using cutting-edge digital scanning, researchers reconstructed the long-lost jawbone,

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

Using uranium-lead dating, researchers calculated the age of the eggs, rather than the sediments around them, at the Qinglongshan site in China

The extinction of dinosaurs reshaped rivers, forests, and landscapes—changes still recorded in the rock layers across North America.

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