Arizonasaurus was an archosaur from the Middle Triassic.

(via PBS Eons) One of the most surprising effects of the cascade of changes that played out in the wake of dinosaur extinction may have been the evolution of a world absolutely teeming with fruit. And ...

After millions of years, six incredible dinosaurs are coming back to life. In “Walking with Dinosaurs” on PBS, paleontologists discover the lives behind the fossils, using the latest scientific ...

Discussing the new PBS series Walking with Dinosaurs and the modern impact of paleontology. Discussing the new PBS series Walking with Dinosaurs and the modern impact of paleontology. Panelists: Eric ...

Dinosaurs’ extinction “re-engineered” Earth’s surface, according to new research. The reptiles had such an “immense” impact on the planet that their sudden exit led to wide scale changes in landscapes ...

The late Cretaceous nonavian dinosaur record -- In the shadow of nonavian dinosaurs -- In search of our most ancient eutherian ancestors -- Patterns of extinction at the K/T boundary -- Causes of ...