Grizzly bears are emerging from hibernation in Yellowstone National Park, prompting park rangers to urge visitors to exercise caution. The bears are now waking after losing 30% of their body weight ...

Yellowstone staff locates grizzly bear tracks and a photographer captures footage of a bear out of hibernation. Time for ...

It may not be rich with amenities, but this spacious campground is conveniently located in Yellowstone for access to pristine ...

The debate over whether to keep federal protections for grizzlies is “deeply laden in values,” according to one expert.

It was a chilling video. A jogger on a trail near Provo, Utah, happened upon a female cougar and her very young kittens. Mama ...

Endangered red wolves became a symbol of federal overreach—and a target for local ire—in eastern North Carolina.