Hikers Mason Van Zeeland and Alyssa Olsen encountered two charging grizzly bears in Glacier National Park and used bear spray ...

Spring is a time for courting and mating for grizzly bears in Yellowstone National Park, but this typically occurs beyond the ...

Stunning viral footage shows a grizzly bear fighting a wolf over the remains of a dead animal in a river, proving size ...

There are now more grizzly bears in more places in and around Yellowstone National Park than at any time in over a century. But until this spring, the population lacked genetic diversity. Montana ...

It's not the size of the bird in the fight... it's the size of the fight in the bird. You wouldn't imagine a battle between a ...

Although grizzly populations can still be found in several Western states, in California they exist only as a symbol: moving across a patch of grass on the state flag.

A recent clip from Glacier National Park shows how not to behave in the event of a grizzly bear encounter on the trail.

Footage shows one grizzly bear cub walking upright, adding a surreal quality.

A bill aimed at crafting a plan to reintroduce grizzly bears to California’s ecosystems is making its way through the Legislature, over a century after the state’s official animal was last seen in the ...

Two hikers were injured in a bear attack near Biscuit Basin in Yellowstone. The NPS believes a sow and cubs were involved.

In 1979, Colorado bowhunter Ed Wiseman was attacked by a bear while guiding clients on an elk hunt. It turned out to be a sow ...

A hunter in Idaho shot and killed a grizzly bear that was charging him and his son. Officials determined that he acted in ...