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 ...

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 ...

Sharing is not caring at Yellowstone National Park... in fact, it doesn't appear like it's even an option. Most people would ...

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

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

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

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone National Park’s wolf population has declined from last year, according Yellowstone ...

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 ...