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.

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 is home to more than three dozen national parks, sites and monuments. These 10 easy to moderate hikes show off the ...

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 ...

Arizona has 24 national parks and monuments. Here are the 12 must-see national parks and monuments in Arizona and how to visit each of them.

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 is the only national park in the U.S. with a section of old Route 66. The park is also home to a "rainbow" forest, which has colorful tree fossils that are more than 200 ...

Forward [sic] / William G. Parker, David D. Gillette, and Randall B. Irmis -- Dedication to Sidney R. Ash, Ph.D. / David D. Gillette and William G. Parker -- On the shoulders of giants : influential ...

Volunteers working on fossils from a Petrified Forest National Park bonebed in the FossiLab on view to museumgoers in the David H. Koch Hall of Fossils – Deep Time at the Smithsonian’s National Museum ...

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, ...