A grizzly spotted out wandering in Yellowstone National Park on Monday might be up from hibernation incredibly early or awake ...

The new crop of grizzly cubs that will emerge this spring to the delight of visitors in Yellowstone have likely already been born, researchers say.

Yellowstone is famous for its grizzlies – with miles of forest to roam and plenty to eat, these bears reach some monstrous ...

The numbers this year show a relatively high number of deaths in the Greater Yellowstone Ecosystem. Grizzly bears this year died at elevated rates in and around Yellowstone National Park, according to ...

Yellowstone National Park is home to some of the most powerful wildlife in North America, including its iconic grizzly bears. In this video, we explore the largest grizzly bear ever recorded in ...

YELLOWSTONE NATIONAL PARK, Wyo. — Wildlife officials in Montana have said two grizzly bears were killed this week after entering an occupied tent and recreational vehicle storage compartment near ...

Rangers killed a black bear in Yellowstone National Park after it bit a camper last week, park officials announced Wednesday. A female black bear entered a backcountry site a few miles from the ...

"They are potentially giving ... a death sentence." Unbelievably 'stupid' tourists at Yellowstone National Park spark outrage ...

This summer, a grizzly cub in Grand Teton National Park gained international fame after an adult male bear killed the yearling’s two siblings. The sole survivor of the attack, dubbed “Miracle,” then ...

Footage captures grizzly bear venturing out in Yellowstone, way before its typical hibernation period ends ...