Researchers created 3D models of ancient tracks in Oregon’s John Day Fossil Beds National Monument. The study revealed a ...

The story of Edward the Leopard was a delicate, even ticklish, matter. Edward had once lived a life of leisure, racing ...

According to one app for nature observers, it's the most commonly seen creature in California: the western fence lizard. Why?

Dubbed the “bone collector,” this caterpillar found on a Hawaiian island disguises itself while stalking spider webs for trapped insects to eat.