In this corner, we have the mighty male silverback gorilla, a massive great ape with a powerful punch! His opponent is the terrifying, fierce grizzly bear yielding long, dagger-like claws capable of ...

The Center for Biological Diversity recently offered $7,300 for information leading to an arrest and conviction in the ...

Chase Dellwo, then 26, was hunting with his brother in Montana backcountry when he unknowingly walked right into a 400lb ...

Chase Dellwo was hunting with his brother in Montana when he stumbled upon a 400lb male grizzly bear that was sleeping - but the animal woke up and attacked him ...

Chase Dellwo, who was 26 at the time, was hunting with his brother in the Montana backcountry when he unknowingly stumbled into a sleeping male grizzly weighing around 400lb.

B.C. plays a prominent role in Animal Nation, a new wildlife series that focuses on seven keystone animals.

Chase Dellwo, then 26, was hunting with his brother in Montana backcountry when he unknowingly walked right into a 400lb ...

U.S. Rep. Harriet Hageman calling for grizzlies to be delisted is a bad look for Wyoming, some Wyoming wildlife advocates say ...

Chase Dellwo, 26, was hunting in Montana backcountry when he unknowingly walked within three feet of a sleeping grizzly bear - and his grandmother's advice saved his life ...

The northernmost subpopulation of grizzlies is made up of only a few hundred bears spread out over a large, food-scarce ...

Chase Dellwo was hunting in Montana when he stumbled across a 400lb male grizzly bear - and within seconds, he was lying on ...

The cameras logged hundreds of hours of footage, giving researchers an intimate view of grizzly bears' daily lives.