Scientists have uncovered the shocking cause behind the mass extinction that wiped out ocean life 200 million years ago.

A remarkable finding has surfaced in the colorful, fossil-rich badlands of Arizona’s Petrified Forest National Park: North America’s oldest known pterosaur. The newly identified species — a flying ...

Paleontologists know the bone bed as PFV 393. The late fossil preparator Bill Amaral found the site in 2011 on a field trip ...

Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass ...

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 ...

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

A groundbreaking discovery in Arizona’s Petrified Forest reveals North America’s oldest pterosaur.

The licensees will assess the discovery together with prospects in the area with a view towards a potential tieback.

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

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