With its unique stand of trees turned into stone, The Petrified Forest between Sonoma and Napa counties is seeking buyers for ...

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

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

A Smithsonian-led research team has discovered the oldest known pterosaur in North America, a sea gull-sized winged reptile ...

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

The new type of pterosaur, named Eotephradactylus mcintireae, was identified by a Smithsonian-led research team, according to ...