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

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 ...

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, ...

Plan your adventure to Arizona’s most beautiful natural wonders, where unforgettable landscapes feel almost unreal.

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

There's something magical about Arizona's desert attractions. Untouched ancient landscapes like the iconic red rock valleys feel timeless and are unmatched in their beauty. To stand at the edge of the ...

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 ...

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 ...

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 ...