Yellowstone visitors were lucky enough to witness a rare interaction between two of the park's most iconic predators.

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

Two parks, two attacks: A hiker in Glacier was found dead and two in Yellowstone injured in separate suspected grizzly encounters within the same week. Experts stress rarity: Wildlife biologists say ...

The roars of a grizzly echoed from a riverbank in Yellowstone National Park on Sunday, as it postured with a wolf over a ...

Grizzly bear activity seemed to start with a roar on May 4 when two hikers were mauled in Yellowstone National Park. But the ...

A grizzly bear chased by a pair of coyotes seemed so unlikely, even those watching weren’t sure they believed it. This bear ...

Wildlife experts say campers and hikers should store food in areas where it can’t be accessed by bears and to keep campsites ...

Stacy hit the jackpot by spotting such a rare animal at Yellowstone National Park, but she isn't the only person who's been ...