With its unique stand of trees turned into stone, The Petrified Forest between Sonoma and Napa counties is seeking buyers for ...

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

The new type of pterosaur, named Eotephradactylus mcintireae, was identified by a Smithsonian-led research team, according to ...

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

The large flying reptiles known as pterosaur preyed on primitive fish that would have hard scale armour covering them.

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 ...

The remains of the pterosaur, roughly the size of a small seagull, and the other creatures were discovered in Petrified Forest National Park, a place famous for producing fossils of plants and animals ...

Step back millions of years in time at the Petrified Forest National Park. This Arizona park is home to one of the largest ...

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 ...