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.

For paleontologist Ben Kligman, the question was: Is this fragile jawbone a pterosaur or not? Other researchers also had questions about the fossil, unearthed along with thousands of others during a ...

An artist’s reconstruction of the fossilized landscape, plants and animals found preserved in a remote bonebed in Petrified Forest National Parkin Arizona (Brian Engh, courtesy of the Smithsonian’s ...

Experts from the Natural History Museum of the Lesvos Petrified Forest began work to preserve and showcase a massive ...

Researchers found North America’s oldest known pterosaur. Arizona’s Petrified Forest National Park has done it again. The famed fossil-rich ground has provided paleontologists a remarkable finding, ...

Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...

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 ...

KENNETT, Mo. -- "I knew it had to be old," Rick Crane said, shifting his gaze to the 20,000-year-old petrified fossil of a mastodon's tooth that he had found while fishing in the Mississippi River ...