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

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

This Petrified Forest National Park one day itinerary is the perfect Route 66 detour to explore this unique spot.

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

Petrified Forest National Park announced the sightings of Yellow-billed Cuckoo, a threatened bird along the Puerco River within the park.

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 ...

The Petrified Forest and Painted Desert are uniquely Arizona road trip destinations. Here's why it's worth the drive and what to see along the way.

Scientists have discovered a new species of pterosaur – a flying reptile that soared above the dinosaurs more than 200 ...

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