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.

This Arizona park offers a rare chance to see fossils, ancient landscapes, and millions of years of natural history all in ...

Add Yahoo as a preferred source to see more of our stories on Google. For paleontologist Ben Kligman, the question was: Is this fragile jawbone a pterosaur or not? Other researchers also had questions ...

PHOENIX — Fossils from the Petrified Forest National Park, in northern Arizona, revealed a new reptile species that thrived during the Triassic Period. Paleontologists and partners with the ...

Petrified Forest National Park has completed a set of upgrades at its Rainbow Forest Historic District, adding new public ...

A remarkable finding has surfaced in the colorful, fossil-rich badlands of Arizona's Petrified Forest National Park: North America's oldest known pterosaur. The newly identified species - a flying ...

A bizarre crocodile relative from the age of dinosaurs is rewriting what scientists thought they knew about ancient reptiles.

In the U.S., many states have an official state fossil, or even a designated state dinosaur. Some states recognize an official dinosaur in celebration of the specific region's paleontology, and others ...