It is a busy time right now in Yellowstone National Park with the grizzly bears waking up from hibernation as Spring weather ...

Toddlers are always up to no good... even in the Animal Kingdom. The National Park Service says that Yellowstone National Park is home to the largest concentration of mammals in the lower 48 states.

Once the bear reached the area where the wolves were, the wolves must’ve smelled him ... then all chaos broke out.” ...

The award-winning documentary “Lost Wolves of Yellowstone,” in IMAX, is now showing on San Diego’s largest IMAX screen, in ...

Add Yahoo as a preferred source to see more of our stories on Google. Add this to the list of "badly behaved Yellowstone tourists" caught on tape. This wild scene unfolded on Oct. 6, when photographer ...

If not for a series of tones broadcasting her location, no one would’ve known she had died. Like dozens of other Yellowstone National Park wolves involved in a three-decade-long study, researchers ...

The air that day in Yellowstone was crisp and autumnal, with an edge of tension. Five black wolves were standing in the open, their fur riffled by the wind, when a man wearing a white scarf broke away ...

Tourists visiting Yellowstone National Park on October 6 were left stunned after witnessing a man walk straight toward a wild wolf pack in what authorities are calling a highly dangerous and reckless ...

Sightseers watched in horror as a man got dangerously close to a pack of wolves in Yellowstone National Park, recent footage shows. Keith Allen Kerbs told Storyful he was photographing the five black ...

This tireless researcher, widely recognized as "the ultimate guru of wolf behavior," talks about his long-awaited memoir ...