The Mesozoic pterosaur is considered to be the first vertebrate to achieve powered flight and new evidence, also the first of its kind, helps to pin down what exactly this flying reptile ate.

In the badlands of Arizona, a team from the Smithsonian has identified Eotephradactylus mcintireae, a previously unknown ...

Smithsonian researchers have linked discoveries within Arizona’s Petrified Forest National Park with a previously unknown ...

A team of researchers led by the Smithsonian has discovered the oldest known pterosaur fossil in North America. Pterosaurs were flying reptiles that lived alongside dinosaurs and were the first ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

The gull-sized pterosaur was found at the Petrified Forest National Park in Arizona along with hundreds of other fossils dating back 209 million years—to the late Triassic period,—filling a gap in the ...

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 ...

Scientists identify the oldest flying reptile in North America, discovered in Arizona and dating 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 ...

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 ...