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 ...

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

Buried for 209 million years, a tiny flying reptile and its ancient neighbors just emerged from Arizona’s Triassic past.

From what the researchers were able to gather, the new species of pterosaur—dubbed Eotephradactylus mcintireae after Suzanne ...

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

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

The Petrified Forest National Park in Northeast Arizona is known for producing fossils of plants and animals from the Triassic time period, Reuters reported.

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

Paleontologists have uncovered in Arizona a Triassic treasure trove of fossils dating back 209 million years ago.

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

The Petrified Forest National Park in Northeast Arizona is known for producing fossils of plants and animals from the Triassic time period, Reuters reported.