A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

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.

In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

Players are stepping into the lives of Yellowstone wolves, turning gaming into an emotional and educational survival ...

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A new study has found that cougars are making slight changes to their diets in order to avoid encounters with wolves. In ...

At any one time, there are between 150,000 to 200,000 people worldwide playing the online game WolfQuest. That's where you become a wolf in ...

A 2-year-old wolf that was beloved by wildlife aficionados and tracked by researchers in Yellowstone National Park has been killed by a Montana hunter. Wolf 1479F, part of the Junction Butte Pack, was ...

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.