New fossils from Patagonia may rewrite the history of duck-billed dinosaurs
Fossils from the southern tip of Chile are adding a wrinkle to researchers’ understanding of...
Fossils from the southern tip of Chile are adding a wrinkle to researchers’ understanding of...
Dinosaurs were “monstrous lizards” who dominated Earth for hundreds of millions of years, until an...
IMAGE: The crocodiles have had a much greater diversity of forms in the past. Examples include...
The crocodiles have had a much greater diversity of forms in the past. Examples include...
A complete sabre-toothed canine from a gorgonopsian from Zambia. This specimen includes both the crown...
Adalatherium is an important piece in a very large puzzle on early mammalian evolution in...
Thin section of a partial gorgonopsian canine under polarized light. Serrations are evident on the...
A pioneering reconstruction of the brain belonging to one of the earliest dinosaurs to roam...
IMAGE: Braincase and endocast of Thecodontosaurus antiquus. From CT scans of the braincase fossil, 3-D models...
Tyrannosaurus rex was one of the biggest meat-eating dinosaurs of all time -- it measured...