Paleontologists in southwestern China have unearthed fossils of *Dinocephalosaurus orientalis*, a 240-million-year-old marine ...

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 ...

Scientists identify the oldest flying reptile in North America, discovered in Arizona and dating back 209 million years.