Teaching faculty in the University of Wisconsin Integrative Biology Department Scott Hartman spoke on how thermal modeling is an effective tool for predicting the End-Triassic Extinction period Sept.

Tucked away in a remote bonebed in Arizona's Petrified Forest National Park laid hundreds of fossils, including a fragile jawbone belonging to one of the oldest-known flying reptiles: the pterosaur.

Three-toed fossil footprints that date back more than 210 million years were pressed into soft mud by bipedal reptiles with feet like a bird’s, a new analysis of the tracks has revealed. The ...

Fossil discovered in 1989 found to be new species of aetosaur — a massive armored crocodile cousin that lived during the late Triassic. When you purchase through links on our site, we may earn an ...

These tracks aren’t a direct match for any fossil animals known from this region and time period. The most ancient of these footprints, at over 210 million years old, are 60 million years older than ...

Long before dinosaurs became dominant, Earth was ruled by an unsettling cast of reptiles that reshaped life after the ...

Coelophysis is an early theropod dinosaur, a pioneering member of a group that will one day give rise to some of the biggest carnivores ever to live. He’s a lot more humble in his size, however, ...