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.

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

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

Ben Kligman, a Peter Buck Postdoctoral Fellow and paleontologist at the Smithsonian's National Museum of Natural History, quarrying a bonebed in Arizona's Petrified Forest National Park in 2025.

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

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