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 ...

Paleontologists have unearthed a nearly complete fossil of a dimetrodon, a reptile-like predator that roamed the Permian landscape 287 million years ago. Subscribe to read this story ad-free Get ...

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 ...

At first it had no name. The beast was a mammal relative with a heavy skull, a mouth full of fangs, and a tall dorsal sail made of skin stretched over long struts of bone. Sinuous as a crocodile, ...

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 ...

This is the skeleton of <i>Dimetrodon</i>, an ancient relative of mammals. New research suggests that at least some species of <i>Dimetrodon</i> were active at night (nocturnal).

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 ...