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

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

Scientists have found a new species of pterosaur that lived 200 million years ago along with the dinosaurs. The fossilised ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...

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 ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that ...

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The collapse of tropical forests during Earth’s most catastrophic extinction event was the primary cause of the prolonged global warming which followed, according to new research.

Scientists have discovered a new species of pterosaur – a flying reptile that soared above the dinosaurs more than 200 million years ago.The jawbone of the ancient reptile was unearthed in Arizona ...

Among these are the enigmatic "Mushroom" and the awe-inspiring "Sphinx." Rich in fossils, the valley offers a petrified ...

Imagine the sound of a dinosaur roaring... Super loud, right? Wrong... It turns out the giant prehistoric creatures almost ...