During their reign of dominance on Earth for more than 160 million years, dinosaurs evolved into many diverse species. Although some species were vegetarian and harmless, others were fierce carnivores ...

Long before humans existed, Earth was home to animals so massive that modern wildlife seems impossibly small by comparison. Giant sauropod dinosaurs evolved into living giants capable of crushing the ...

Dragonflies the size of hawks once stalked Earth’s skies. Scientists thought they knew why they’d gone away – but a decades old theory may have just been disproven ...

There’s a spot along the southern Oregon coast where a Tyrannosaurus rex casually hangs out in a temperate rainforest, and ...

This indoor playground is the answer to every parent’s weather-related prayers and every kid’s dream of a space where ...

Pinning down the most titanic of the large sauropod dinosaurs is not an easy task, since the odds were generally against the ...

By Will Dunham May 29 (Reuters) - Tyrannosaurus rex possessed a preposterously massive skull - 5 feet long (1.5 meters) and ...

By Will Dunham May 28 (Reuters) - Tyrannosaurus rex was a huge land predator during the twilight of the age of dinosaurs. But ...

A new study of wrist bones suggests human ancestors may have shared a knuckle-walking past with chimpanzees and gorillas.

A newly identified mosasaur from Texas suggests that some ancient marine predators were larger, more powerful, and possibly ...

For years, a massive fossil sat in a museum collection under the wrong name. The specimen, originally cataloged as Tylosaurus ...