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

Photographers believe the grizzly seen ambling past a trail camera on Thursday night in Yellowstone is the same huge male ...

The National Park Service on Wednesday reported fresh grizzly tracks have been spotted in the northern section of Yellowstone ...

USFWS announced the extension of its comment period on its proposed rule for the species’ management, and legal experts and scientists are weighing in, detailing the mounting human-caused threats to ...

A nonprofit that monitors wild horse populations in Alberta, Canada, on Saturday shared dramatic trail-cam footage of wild ...

Hibernation in bears is a fascinating process and scientists are still learning about it. Here's everything we know so far.

Yellowstone National Park staff observed grizzly bear tracks in the northern part of the park on March 9.Yellowstone officials are warning all visitors to stay ...

As spring eases in, bears in Yellowstone National Park have begun to emerge from hibernation, presenting safety ...

MONTANA - Grizzly bears are emerging from hibernation in Yellowstone, prompting park rangers to urge visitors to exercise ...

Grizzly bear range is a sliver of what it used to be ... When grizzlies first come out of torpor, or the state of near-hibernation they exist in throughout the winter, Jonkel says, grizzly bears ...