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

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 ...

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.

Glaciers in Chile’s Patagonia region have been melting in recent years, exposing fossils underneath. Judith Pardo-Pérez, a ...