Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University researchers.

A fifth wolf was found to have been shot and killed in Wolf Management Unit 313 earlier this month, the unit just north of ...

This post contains spoilers from the Season 5, Episode 10 episode of "Yellowstone," "The Apocalypse of Change," which ...

When a 16-year-old boy went missing in the Wyoming Wilderness in 1963, a desperate search was launched. More than 200 looked ...