But the Permian detectives are faced with a host ... Often called mammal-like reptiles—they looked like a cross between a dog and a lizard—the synapsids were Earth's first great dynasty ...

Learn why the temnospondyls’ inability to evolve eventually did them in when mammals and dinosaurs appeared on the scene.

The dunes sagebrush lizard—a tan, scaly reptile measuring just a few inches long—lives in the Permian Basin, the largest oil producing region in the country. It’s found nowhere else on Earth.

Did you know that before the rise of the mighty Tyrannosaurus Rex and the cunning Velociraptor, there were a species of prehistoric reptiles that ruled the earth between the Permian and Triassic ...

The end-Permian mass extinction event, 252 million years ago, was the largest ever, marked by the loss of as many as 90% of species. A key line of research has been to focus on the survivors and ...