A prehistoric carbon spike turned oceans deadly and wiped out marine life. Scientists say today’s CO₂ rise could cause the ...

In the badlands of Arizona, a team from the Smithsonian has identified Eotephradactylus mcintireae, a previously unknown ...

Smithsonian researchers have linked discoveries within Arizona’s Petrified Forest National Park with a previously unknown ...

A vertebrate fossil discovered in a rock from the Late Triassic period (approximately 220 million years ago) in Takahashi ...

A team of researchers led by the Smithsonian has discovered the oldest known pterosaur fossil in North America. Pterosaurs were flying reptiles that lived alongside dinosaurs and were the first ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

Three animatronic dinosaurs join the other prehistoric creatures at the Center for Science Teaching & Learning on Long Island ...

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

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.

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 ...