The endangered mammals are among the smallest of their kind in North America, according to the Bureau of Land Management.

A 2-year-old boy who spent the night in the Arizona wilderness and walked 7 miles through mountain lion territory was led to safety by a rancher's dog ...

Utah’s Mighty Five is its collection of five stunning national parks. Part of the Grand Staircase, Bryce Canyon National Park ...

Learn what Clark's nutcracker looks like and sounds like. Plus, learn how the birds' food-caching ways help forests and when ...