Search-and-rescue crews found the body of a missing hiker in Glacier National Park. Officials believe he was killed by a grizzly bear.

A new clip out of Yellowstone offers a rare look at the brutal reality of kleptoparasitism in the backcountry. Watch a pack of wolves challenge a grizzly for a seat at the dinner table—that is, until "king of the carcass" griz shows up.

Sharing is not caring at Yellowstone National Park... in fact, it doesn't appear like it's even an option. Most people would assume that the biggest part of the battle out in the wild is bringing down the prey.

Same-day incidents: A suspected fatal grizzly attack in Glacier and a mauling in Yellowstone happened on the same day, prompting safety alerts. Victims and response: Two brothers were airlifted from Yellowstone with serious injuries; Glacier’s victim was ...

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 wild.

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