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.

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 ...

Smithsonian scientists have uncovered North America’s oldest known pterosaur from a 209-million-year-old bonebed in Arizona’s Petrified Forest National Park.

Do reptiles react to the changing moon cycles. Are they more active during the full moon? Mr. Wironen’s 4th grade, Reingold ...

Water and air pose completely different challenges to animals on a number of levels.

Imagine a world where the boundaries between “fish” and “not-fish” blur, where the ancestors of birds and mammals once swam ...