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.

Scientists have identified a new species of pterosaur from a fossilised jawbone discovered deep in the Arizona desert. The ...

The newly found fossils are 209 million years old and include at least 16 vertebrate species, seven of them previously unknown.

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 ...

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

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

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