The 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...

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

A Smithsonian-led research team has discovered the oldest known pterosaur in North America, a sea gull-sized winged reptile ...

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

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

A fossil from a seagull-sized winged reptile that lived millions of years ago was found in Arizona, and the creature has now ...

At a remote bone bed in Arizona, dense with fossils dating back around 209 million years, a Smithsonian-led team of ...

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