Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have started life on four legs before walking on two as an adult.

A recently discovered species of ancient crocodile was found to be much sturdier than even our modern-day crocs. Indeed these reptiles, knowns as aetosaurs, which are thought to have gone extinct ...

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.

Researchers have discovered a previously unknown species of a crocodile-like reptile that lived around 250 million years ago. The new species belongs to an extinct group of animals known as ...

Ancient animals were walking around on bird-like feet over 210 million years ago, according to a study published November 29, 2023 in the open-access journal PLOS ONE by Miengah Abrahams and Emese M.

Paleontologists have identified the earliest known mammal – a small shrew-like animal that lived about 225 million years ago. The species, known as Brasilodon, had previously been categorized ...

WEST TEXAS (CBSDFW.COM) - It's a discovery that sounds more like the premise of an Isaac Asimov novel than fact. Swamp monsters did exist, 205 million years ago, according to a group of ...