Critics have pointed to the possible danger of bringing the massive mammals back to a state with a vastly higher population ...

A new clip out of Yellowstone offers a rare look at the brutal reality of kleptoparasitism in the backcountry. Watch a pack ...

Unusual predator standoff: Video shows grizzlies and wolves confronting each other over a bison carcass in Yellowstone’s LeHardys Rapids, with aggressive displays but no injuries. Why it’s rare: ...

The day after two hikers were mauled by a grizzly in Yellowstone, tourists yelled at rangers who were warning them to ...

California lawmakers on Tuesday moved forward on a bill that could lead to the re-introduction of grizzly bears to the state, more than a century after the quarter-ton predators were hunted into local ...

A Yellowstone grizzly bear with a cub. (Frank van Manen/U.S. Geological Survey photo) SB 1305 would require California to study the feasibility of reintroducing grizzly bears. Lawmakers question ...

LEWISTOWN — Grizzly numbers have grown significantly in areas considered “bear country,” such as Glacier and Yellowstone national parks and the Bob Marshall Wilderness. The population of this ...

Are grizzly attacks on the rise? After a deadly week in Glacier and another attack in Yellowstone, expert Chris Servheen ...

A raw display of power and determination was witnessed by Yellowstone tourists Monday as a wolf battled a much larger grizzly ...