For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

Researchers predict that a collision with the asteroid Bennu would plunge Earth into a year's long 'impact winter'.

One of the nice things about being a dinosaur is having been able to stay around long enough to enjoy a situation where there can be almost instantaneous ...

Study suggests dinosaurs originated in the Amazon, but their fossils are missing. They started as small, bipedal creatures in ...

Dinosaurs long dominated Earth’s land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...

What they found is remarkable: North America’s oldest-known dinosaur. The discovery brought scientific advances that revise the understanding of reptile evolution on the planet. It also broke a ...

New research suggests that the earliest dinosaurs may have originated in equatorial regions of Gondwana, encompassing the ...

Ancient fossils found near Dubois have scientists rethinking the lifespan of reptiles — and how to include Native communities ...

Fossils identified as a new species after being discovered in Wyoming are estimated to be around 230 million years old.

"While earlier research has focused on southern South America and southern Africa as the area of origin of the dinosaurs, based on where their fossils first appear, we suggest that significant ...

Asia and North America. Support for this origin comes from the fact it is a midpoint between where the earliest dinosaurs have been found in southern Gondwana and where the fossils of many of their ...