In September 2016, the Prospect Peak pack killed her father, 911M. He was the founder of the Junction Butte pack. At the time ...

Scientists say wolves helped save aspen trees in Yellowstone by eating the elk that were gobbling aspen saplings. But now ...

Cougars in Yellowstone National Park are known to be hosts of the parasite. Alpha wolf male from the Canyon Pack in Yellowstone National Park, on Nov. 25, 2019.

New research from the University of Minnesota upends long-held understanding about how wolves, bears and cougars—three of Yellowstone National Park’s most iconic carnivores—compete for prey.

A recent study has found that infected wolves in Yellowstone National Park were more likely to engage in certain behaviours ...

Three decades after wolves were reintroduced in Yellowstone National Park, aspen stands are recovering, a new analysis ...