Oviraptorosaurs are weird dinosaurs that look a bit like flightless birds. But these ancient animals aren't just ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction ...

Tyrannosaurus rex ancestors and their plant-eating dinosaur prey would have congregated to drink water from a lagoon in what ...

Millions of years before the asteroid impact that ended the reign of the dinosaurs, mammals were already beginning to shift ...

While preparing to build a power substation next to a Utah residential subdivision, a prehistoric field of dinosaur and other ...

Even among the strangest-looking dinosaurs, few are as odd as the newly discovered Duonychus tsogtbaatari. Unearthed in ...

Scientists use different methods to calculate size and weight so they don’t always agree, but judging by bones found, a good ...