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 ...

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

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.

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

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 ...

This ancient reptile’s jawbone was unearthed in Arizona in 2011 and was confirmed to be a new species with the aid of modern ...

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 ...

Hidden away in the northwestern corner of Illinois, where the landscape suddenly decides flat is boring, lies a cascading wonder that seems to have escaped from someone’s fantasy novel. Thunder Bay ...

The fossil, named Youti yuanshi, dates back over 520 million years, during the Cambrian period, a crucial era for the evolution of modern animal groups. This fossil belongs to the euarthropods group, ...