Since 2011, wolf sightings have increased throughout northern California, marking a steady natural return to their historic ...

Despite distemper-driven decline, most remaining canines now have strong antibodies and resistance — and state biologists are ...

Wolf and grizzly bear sightings are fairly common in Yellowstone. But scenes such as these, illustrating the life-or-death ...

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

A raw display of power and determination was witnessed by Yellowstone tourists Monday as a wolf battled a much larger grizzly ...

You mess with the calf, you get the herd. It's estimated that around 4,500 bison roam around Yellowstone National Park.

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

A playful Yellowstone wolf pup is giving weekend vibes after he was caught on camera making off with a grizzly bear warning sign—and turning the post into a chew toy. Wolves just wanna have fun.

SALT LAKE CITY — There are debates about how wolves first started down the long path to domestication some 15,000 years ago. Some researchers think they did it to themselves, scavenging near human ...

Visitors and photographers in Yellowstone National Park recently captured rare footage of grizzly bears and wolves clashing over a drowned bison carcass in the Yellowstone River. Experts say such ...

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