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

The newly-found fossils are 209 million years old and include pterosaurs, primitive frogs and lizard-like reptiles ...

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 ...

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 ...

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

A delicate jawbone unearthed in Arizona has revealed North America's oldest known pterosaur, a flying reptile no bigger than ...

How does it take for an animal to make its mark in history particularly when its bones are as delicate as a potato chip? Eotephradactylus mcintireae’s answer is a mix of volcanic ash, river ...

From comparing many anatomical traits across different species, the researchers established that pterosaurs and lagerpetids shared many similarities including their skulls, skeletons and inner ears.

However, the Arizona Department of Education said only 60% of the funding was available for June due to a $200 million dollar state budget shortfall.

From Horseshoe Bend to Grand Canyon's Mather Point to the Chiricahua Mountains, these are the Most Treasured Views in AZ. Here's how to plan a trip.