Grizzlies on the loose! In this clip, watch grizzly bears running all over the place in Alaska's Grand Teton National Park!

It spans from the earliest days of grizzly bear biology in the United States (a field pioneered by the famous Craighead ...

Also known as the North American brown bear, this Alaskan grizzly bear has managed to drive a sockeye salmon into the shallow waters of a mountain river, making it a lot easier to catch and kill.

Also known as the North American brown bear, this Alaskan grizzly bear has managed to drive a sockeye salmon into the shallow waters of a mountain river, making it a lot easier to catch and kill. With ...

One of Alaska's most popular trails, located in Anchorage, is also one of the most treacherous. Here's how to stay safe while ...

Polar bears are one of the largest mammals on land; only the African elephant can tower over the polar bear in this corner of ...

An extraordinary opportunity to observe Alaskan brown bears in their natural habitat in Alaska. Based at an exclusive fly-in ...

Guests reach Spirit Bear Lodge by flying from Vancouver to the small airport at Bella Bella (scheduled for 90 minutes but it can take longer), then transfering to a boat for a two-hour journey north ...

Labrador mix alerts his owner, a fisheries technician, to the presence of brown bears while he works salmon streams.

Last Sunday was Groundhog Day here in America. Locally, we waited for Concord Charlie in Athens to declare whether we would have six more weeks of winter or an early spring. In Punxsutawney, Penn., ...