The painted desert of Arizona’s Petrified Forest National Park is a fossil wonderland. Scattered through the sunbeaten rock ...

A Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived ...

From what the researchers were able to gather, the new species of pterosaur—dubbed Eotephradactylus mcintireae after Suzanne ...

Eotephradactylus mcintireae’ is the oldest-known flying reptile from the continent and roamed the skies 209 million years ago ...

A cache of Triassic fossils in Arizona has revealed Eotephradactylus mcintireae, or "ash-winged dawn goddess," the oldest ...