Volcanic eruptions at Earth's surface have significant consequences. Smaller ones can scare tourists on Mount Etna or disrupt ...

Buried for 209 million years, a tiny flying reptile and its ancient neighbors just emerged from Arizona’s Triassic past.

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.

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

Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff ...

A gull-sized flying reptile has emerged from fossil-rich layers of Arizona’s Petrified Forest, revealing the earliest known ...

Scientists identify the oldest flying reptile in North America, discovered in Arizona and dating back 209 million years.

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 ...

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