An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric ...

The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula.

Fossils unearthed during construction of a water pipeline in the Gobi Desert of Mongolia have revealed one of the oddest ...

A new study reveals the modern arid desert between Africa and Saudi Arabia was once regularly lush and green with rivers and lakes over a period of 8 million years, allowing for the occupation and ...

Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.

New habitat, environs, and food sources made some of the dinosaurs to start using their arms for a whole new purpose ...

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

Forelimb reduction and finger loss in this group of dinosaurs could have been caused by the new habitat. Once they had moved ...

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

A bizarre two-clawed dinosaur found in Mongolia reveals rare claw preservation and offers new insight into therizinosaur ...

Duonychus tsogtbaatari, a feathered, two-legged dinosaur, was discovered in Mongolia. Its unusual anatomy and remarkably well ...