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

PHOENIX — Petrified Forest National Park announced the sightings of Yellow-billed Cuckoo, a threatened bird along the Puerco River within the park. One individual bird was heard on July 15 and another ...

PETRIFIED FOREST NATIONAL PARK, Ariz. — An unusual figure appeared on cameras at a national park in Arizona during the full moon last month, park rangers say. The Petrified Forest National Park’s ...

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 ...

Your whole idea of the Triassic period is about to be disrupted. Paleontologists are shifting their focus from dinosaurs to fossils so small they have to be reassembled under microscopes. Petrified ...

A new survey has found that Arizona is home to two of the most beautiful national parks in the U.S. The ranking contains a surprising omission. The survey from travel website Travel Lens, which based ...

PRETRIFIED FOREST NATIONAL PARK, AZ (3TV/CBS 5)-- It’s certainly something National Park Service rangers don’t see every day. At least, not at first glance. Trail cameras at the Petrified Forest ...