An artist's depiction of a landscape from 209 million years ago at Petrified Forest National Park in Arizona, based on fossils of plants and animals ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that ...

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

A delicate jawbone unearthed in Arizona has revealed North America's oldest known pterosaur, a flying reptile no bigger than ...

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

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.

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

Researchers have discovered a new species of pterosaur - a winged reptile that lived alongside dinosaurs 200 million years ago. Scientists at the Smithsonian’s National Museum of Natural History ...