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

University of Cincinnati Cancer Center researchers looked billions of years into the past to learn more about the potential ...

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

Salamanders are amphibians, not reptiles. There are over 700 species of salamanders globally, but all are classified as ...

Do reptiles react to the changing moon cycles. Are they more active during the full moon? Mr. Wironen’s 4th grade, Reingold ...

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 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...

Smithsonian scientists have uncovered North America’s oldest known pterosaur from a 209-million-year-old bonebed in Arizona’s ...

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

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