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.

Of Arizona’s three national parks, Petrified Forest is the least visited. That’s a shame, since it is absolutely stunning. Though named after the fields of petrified wood, that’s only one reason to ...

The Petrified Forest National Park is Arizona's least visited national park. I stopped at the park on a recent road trip across America's Southwest. I discovered colorful fossilized logs, uncovered ...

Petrified Forest National Park may not ring a bell, even though more than half a million people visited last year, according to National Park Service data. The park is right off Interstate 40 in ...

Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have started life on four legs before walking on two as an adult.

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 ...

Along Interstate 40 in Northern Arizona, Petrified Forest National Park is just a few hours east of Grand Canyon Nation ...

Nestled in the rugged terrain of northeastern Arizona lies the Painted Desert, a geological marvel that captivates visitors with its vibrant colors and ancient history. Spanning over 7,500 square ...

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 ...

Mythical unicorns, the kind that feature in medieval stories about virgins, aren’t real. Or are they? Myth seemed to come to life in a very unexpected place recently. A game camera at the Petrified ...