A park employee at the Grand Canyon was exposed to hantavirus, and a separate case of exposure to rabies in the park has also been confirmed.

The resident died from pneumonic plague, the first such death in Coconino County, Ariz., since 2007, the county said.

Rats can be cute, and we have all the proof right here. Dumbo rats are some of the most adorable rodents out there and people ...

As ranger numbers dwindle in Yosemite National Park, squirrels are boldly taking over picnic spots and hiking trails—leaving ...

Large scavengers like vultures and hyenas do an important job in protecting human health. But studies show these creatures ...