Coconino County health officials say they’re investigating a reported prairie dog die-off northeast of Flagstaff, and that ...

This is not the first time the rare hantavirus has been traced to a National Park, as there were cases in people who had visited Yosemite National Park in 2012.

A solo female climber with a bone injury survived 28 hours at 13,800 feet on California's second-highest mountain before ...