An experiment on reptile decomposition aims to shed light on a variety of paleontological mysteries, including why so many ...

Learn more about the animals you thought were dinosaurs, and the animal we thought wasn't a dinosaur, but actually is.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...

So Dilophosaurus is no longer believed to have been venomous; but what about other dinosaurs?  In 2009, a small, feathered ...

_Eoraptor lunensis_ lived roughly 230 million years ago, at a time when dinosaurs were small and rare. Jordan Harris courtesy of Kristi Curry Rogers, CC BY-SA It may be hard to imagine, but once upon ...

Tainrakuasuchus bellator, a swift croc ancestor from Brazil, reveals that fierce reptile predators ruled Earth long before ...

Had a volcano-driven mass extinction not occurred at the end of the Triassic 201 million years ago, we likely would have had something closer to an Age of Crocodiles than the Age of Dinosaurs that ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...