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.

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 were ...

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.

The newly-found fossils are 209 million years old and include pterosaurs, primitive frogs and lizard-like reptiles ...

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 ...

Ben Kligman, a Peter Buck Postdoctoral Fellow and paleontologist at the Smithsonian’s National Museum of Natural History, ...

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

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

A single deposit has produced a wealth of fossils revealing the late Triassic ecosystem, where giant amphibians cohabited ...

Found deep in the backcountry of the Petrified Forest National Park and uncovered by a volunteer in Washington, the specimen helps fill gaps in the fossil record.