Colorado specialists are monitoring water, decontaminating boats and educating the public to keep invasive zebra mussels from spreading.

In nature, courtship can be dangerous, and sometimes deadly. From insects that consume their mates to birds that perform precision dances, every ritual serves one purpose: survival of the species.

Valley of Fire State Park in Nevada is a perfect destination for encounters with western desert wildlife, if you keep your ...

The American alligator is native to the swamps, streams, rivers, and lakes of the southeastern United States. These ancient ...