At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.

And it was huge. The ancestor of today’s 20-foot great white shark was thought to be about 26 feet long, the authors of a ...

A fossilized horseshoe crab shows tiny pits on its shell, hinting at an ancient microbial attack. Discover what it reveals.

Few moments in paleontology are as exciting as the discovery of dinosaur eggs. These fragile and ancient specimens offer a ...

Anyway, the story explains that paleontologists since the 1940s have classified a certain fossil, Nanotyrannus, as a juvenile T-rex. The article termed it a “teenage Tyrannosaurus rex,” which made me ...

A small dinosaur discovered, Pulaosaurus qinglong, had seeds in its stomach and a “vocal box,” revealing how dinosaurs might ...

But while there are more than enough games for everyone, that doesn't necessarily mean they're being played. According to ...

A tooth recently found in the famous Hell Creek formation in Montana suggests otherwise. According to findings published on ...

A fossil reveals the existence of Athenar bermani, a new sauropod that redefines the family tree of Utah's giants.

The National Museum of Natural History’s new Pachycephalosaurus skull sheds light on enigmatic group of dinosaurs and will be ...