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.

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 ...

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 ...

Discover the Painted Desert in Arizona. Learn about its colourful Chinle Formation, Petrified Forest National Park, maps, ...

Arizona’s Petrified Forest National Park has done it again. The famed fossil-rich ground has provided paleontologists a remarkable finding, this time the discovery of North America’s oldest known ...

Arizona's 3 national parks: Grand Canyon, Saguaro and Petrified Forest national parks Arizona's national parks offer majestic views, a forest of towering saguaros and a look back into time with a ...

In an earlier Ask a Ranger column, I wrote about the topic of geoheritage sites — places of special cultural, scientific, educational or aesthetic value — and what makes those places important to ...

An underrated National Monument in the state of Arizona may become America's latest National Park, but there's both pros and ...

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 ...