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

A Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

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

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

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

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

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