Officials and guides have spotted grizzly and black bears emerging from hibernation at Yellowstone National Park ...

Cougars avoid conflict with dominant predators like wolves and bears by hunting smaller prey in Yellowstone National Park.

The first bears of 2025 have been spotted in Yellowstone and Grand Teton national parks. Adult males, called boars, are emerging from their dens this month, with females and juvenile bears expected to ...

New research from the University of Minnesota upends long-held understanding about how wolves, bears and cougars—three of Yellowstone National Park's most ... will steal food from subordinate ...

Yellowstone National Park's ... Most of the park's established campsites generally are not at risk for animal attacks, but campers must keep all food and garbage out of reach from bears and ...

If you want a glowing example of how interwoven ecosystem elements are, take a look at Yellowstone National Park ... propagating downward through food webs" and "play a critical role in shaping ...

The best outdoor adventure links of the past seven days, from the legend of Old Leatherman to a polar space flight to making a long paddling trip reality.

If you want a glowing example of how interwoven ecosystem elements are, take a look at Yellowstone National Park. A recent study revealed ... effects of predators propagating downward through food ...

Yellowstone's first bison calf of 2025 was spotted in the Lamar Valley on Sunday, making it an early addition to the park's bison herds. (Courtesy Kyle Moon, Moon Man Wildlife Photography) It’s ...

The National Park Service ... later than Yellowstone’s. Most photographers and grizzly enthusiasts don’t expect to get their first grizzly shots of the season until late March or early April.