This is Dimetrodon, the world’s top predator about 270 million years ago. Living before the dawn of the dinosaurs, this striking creature was actual a distant ancestor of mammals like us. Now we’ve ...

Paleontologists have unearthed a nearly complete fossil of a dimetrodon, a reptile-like predator that roamed the Permian landscape 287 million years ago. This weekend, the team is working to transport ...

Before the dinosaurs Before dinosaurs walked the Earth, there was a meat-loving beast called Dimetrodon, which researchers just determined had the first known serrated "steak knife" teeth. Dimetrodon ...

Whiteside Museum of Natural History director Christopher Flis (lying on the ground), and volunteers Stewart Nolan, son Travis, 13, and Leigh Cook work to unearth a Dimetrodon skeleton for the museum ...

Before dinosaurs walked the Earth, there was a meat-loving beast called Dimetrodon, which researchers just determined had the first known serrated “steak knife” teeth. Dimetrodon lived at what are now ...

Paleontologists have unearthed a nearly complete fossil of a dimetrodon, a reptile-like predator that roamed the Permian landscape 287 million years ago. Limited time: Save 25% on NBC News ...

Where's my Dimetrodon hive? It's our damn day. Though Jurassic World: Dominion may have...been what it is, there's one thing the film absolutely nailed. Almost 30 years since Steven Spielberg's ...

Just outside this small Baylor County, Texas, town, researchers at a new museum are carefully digging away, hoping to unearth a significant discovery. In a place where scientists have been poking ...