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 ...

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

The newly found fossils are 209 million years old and include at least 16 vertebrate species, seven of them previously unknown.

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

Snakes can see heat, have incredible jaw flexibility, and aren’t as mean as we think. Discover 10 cool facts about these ...

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

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

Water and air pose completely different challenges to animals on a number of levels.

Sizerville State Park near Emporium announces the schedule of environmental education programs for the 4th of July weekend.