When gray wolves returned to Yellowstone National Park, the public heard a simple story: predators came back, balance ...

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a ...

Yellowstone is grieving after a poacher is believed to have shot and killed a prominent wolf from the park's most famous pack ...

A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar behavior.

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

Researchers installed cameras in the US national park to monitor cougar density and abundance – and to see how these apex predators interact with other species, such as wolves.

Have you ever heard of Wolf 832F, one of Yellowstone's alpha wolves? Learn all about her and how she impacted Yellowstone National Park!

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

Tourists visiting Yellowstone National Park on October 6 were left stunned after witnessing a man walk straight toward a wild wolf pack in what authorities are calling a highly dangerous and reckless ...

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% ...