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

At a remote bone bed in Arizona, dense with fossils dating back around 209 million years, a Smithsonian-led team of ...

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

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

Scientists have identified a flying reptile species that lived around 209 million years ago, during the Late Triassic period.