A research team said it has discovered the oldest known pachycephalosaur, the so-called head-butting group of dinosaurs distinguished by their thick,...

A specimen discovered in Mongolia is the most complete fossil yet found of a pachycephalosaur, a dinosaur believed to be built for head-butting.

Around 165 million years ago on a coastal floodplain in what is now Morocco lived one of the most extreme dinosaurs on record, lavishly adorned with...

They went through that adventure just like we do, and they probably behaved just as badly. We're talking, of course, about the puberty process in the...

They went through that adventure just like we do, and they probably behaved just as badly. We're talking, of course, about the puberty process in...

They went through that adventure just like we do, and they probably behaved just as badly. We're talking, of course, about the puberty process in...

Eighty-five million years ago, dinosaurs roamed a world filled with dramatic changes. Volcanoes erupted frequently, oceans lost oxygen in some...

Eighty-five million years ago, dinosaurs roamed a world filled with dramatic changes. Volcanoes erupted frequently, oceans lost oxygen in some...

Around 165 million years ago on a coastal floodplain in what is now Morocco lived one of the most extreme dinosaurs on record, lavishly adorned with...

Around 165 million years ago on a coastal floodplain in what is now Morocco lived one of the most extreme dinosaurs on record, lavishly adorned with...