Smithsonian researchers have linked discoveries within Arizona’s Petrified Forest National Park with a previously unknown ...

Overshadowed by the Grand Canyon, this quiet desert park might just surprise you. From rainbow-colored badlands to Route 66 ...

Fossils of trees and a desert with red, tan and lavender shades await visitors at Petrified Forest National Park, about 116 ...

Learn more about Eotephradactylus mcintireae, the oldest Late Triassic Pterosaur in North America that was about the size of sea gull.

Researchers were able to date the fossil of the flying reptile, a close cousin of dinosaurs, back to more than 209 million ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

Paleontologists know the bone bed as PFV 393. The late fossil preparator Bill Amaral found the site in 2011 on a field trip ...

A fossil from a seagull-sized winged reptile that lived millions of years ago was found in Arizona, and the creature has now ...

A team led by the Smithsonian has discovered North America’s oldest known pterosaur—a small, seagull-sized flying reptile ...

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.

Eotephradactylus mcintireae’ is the oldest-known flying reptile from the continent and roamed the skies 209 million years ago ...

Fossils from Petrified Forest National Park, Arizona, include North America's oldest known pterosaur, Eotephradactylus mcintireae, dating to about 209 million years ago in the late Triassic.