A fossil of the 23-foot-tall predator could help unlock secrets of an order of dinosaurs that remain poorly understood.

A significant discovery in Big Bend National Park has revealed a massive fossil belonging to Alamosaurus, the largest known land-dwelling dinosaur in North America. The find was reported in an ...

A fossil from about 108 million years ago reveals an early member of the pachycephalosaurs, a group of dinosaurs with bizarre ...

A newly discovered dinosaur species has been identified from a fossil unearthed in Mongolia that represents the most complete ...

The skeleton was nearly complete and the skull was in such good condition that its teeth still bore a coating of enamel, the study's lead author says.

A 165-million-year-old ankylosaur from the Atlas Mountains of Morocco was covered in an array of extreme armour including body spikes fused to its skeleton, a feature never seen in any dinosaur before ...

(CNN) — Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and ...

Kostensuchus atrox, a dinosaur-eating predator related to crocodiles, revealed in study after fossils discovered in Argentina.

The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National ...

Scientists discovered Agriodontosaurus helsbypetrae, a tiny ancient lizard with oversized teeth, changing the story of lizard ...

A dig in the Middle Atlas Mountains of Morocco, near the tiny town of Boulemane, has turned up that rarest of quarries: a 13-foot-long dinosaur, Spicomellus afer, which has anatomical features that ...

T he end-Cretaceous was the age of the dinosaurs, an era populated by iconic prehistoric creatures like Ankylosaurus, Gallimimus, Triceratops, and Tyrannosaurus rex. Our favorite dinosaurs might be ...