Allan Hathaway, a wildlife photographer, captured the video of the Wapiti wolf pack chasing after the lone bison in Yellowstone National Park.

Both a grizzly bear and a wolf pack targeted a bison carcass in Yellowstone National Park, Wyoming in December. A tense fight unfolded between the predators. Severe weather threatens crucial Week 14 ...

Bison are among the most powerful land mammals in North America, capable of sprinting at surprising speeds despite their massive size. Their muscular necks, heavy skulls, and sharp horns are built for ...

A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National Park. From Big Sky Wildlife, aka Scott Brovsky, via Instagram on Jan.

The partnership between ravens and wolves goes back to Norse mythology -- Odin's birds scouted ahead and led prey to the ...