A groundbreaking discovery in Arizona’s Petrified Forest reveals North America’s oldest pterosaur.

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying ...

Scientists have found a new species of pterosaur that lived 200 million years ago along with the dinosaurs. The fossilised ...

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

Meteor showers in July 2025 include the Perseids, Alpha Capricornids and Delta Aquariids. Here's when each shower peaks and how to see it in Arizona.

This artist’s rendering shows what a Triassic frog may have looked like. Paleontologists discovered a fossilized pelvic bone from the frog a year ago in Petrified Forest National Park.

Check out the current traffic and highway conditions at I-40 @ Petrified Forest National Park (E View) in Holbrook, AZ. Avoid traffic & plan ahead!