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

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

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, ...

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 ...

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

Caught in Canada and flown to Yellowstone, 41 wolves were released in the area between 1995 and 1997, restoring the only missing member of the park's native mammals. Since then, wolves have begun ...