National Park Service rangers at Yellowstone cited a visitor caught on camera approaching a wild wolf pack and sprayed them ...

Keith Kerbs was watching wolves at Yellowstone National Park when he saw a man getting very close to them. That's when he ...

A wild and flat-out reckless moment in Yellowstone National Park has gone viral after a wildlife photographer captured a man ...

Sightseers watched in horror as a man got dangerously close to a pack of wolves in Yellowstone National Park, recent footage ...

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

Yellowstone has long been a mecca for scientists studying how predators affect everything from elk grazing to vegetation ...

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

ZooMontana's executive director has added his voice to a collection of animal welfare and conservation groups calling on Interior Secretary Deb Haaland to issue an emergency listing of wolves under ...

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

U.S. Park Police have cited a man who was seen on video allegedly provoking a pack of wild wolves at Yellowstone National ...

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.

U.S. biologists reintroduced wolves in 1995 after decades of eradication efforts. Wolf reintroduction met fierce opposition from ranchers, politicians and hunters. Carter’s Hope became the first ...