That's far from what you'd call a good day, but it turns out the dinosaurs were particularly unlucky: A string of unfortunate ...

The curious minds at What If explore what Earth was like before the dinosaurs.

Two elephant-sized South American sauropods were unusually well built for standing on their hind legs. Digital tests showed that their robust femurs handled the enormous forces better than those of ...

The dinosaur-ending meteor devastating may have been its angle ...

Long before dinosaurs ruled the continents and modern crocodiles first appeared, their ancestors were already going through a ...

The plant-eating dinosaur, named Uragasaurus kalasinensis, is thought to have lived about 150 million years ago.

Fossils often preserve bones well enough to reveal the shape of an ancient animal, but traces of soft tissues are much less ...

The asteroid that ended the age of dinosaurs may have been far rarer, drier and less sulfur-rich than scientists once thought ...

By Will Dunham July 23 (Reuters) - Snakes first appeared during the age of dinosaurs, but fossils of many early species are ...

The lost world.

Fossil footprints discovered in Canada show that different dinosaur species sometimes herded together, shedding more light on social interaction among the prehistoric beasts. The footprints at the ...

Billions of birds share the planet with us. With their flamboyant plumage and joyous dawn serenades, many of them are impossible to miss. But how did they get here, how did they break the bounds of ...