When gray wolves returned to Yellowstone National Park, the public heard a simple story: predators came back, balance returned, and the whole ecosystem changed. That narrative held that elk numbers ...

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, ...

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 ...

Gary Lee shares more stories from his trip to Yellowstone as well as photos of wildlife, including a rare wolf sighting.

The Yellowstone bubble Wolf 1331F’s fate was unusual only in that she made it so far north. When wolves leave the park, they die — often, quickly. Yellowstone’s roughly 100 wolves are among the most ...

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

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.

A little over a month after a wolf living among Yellowstone's most famous wolf pack was illegally killed, Montana wildlife ...

Wolves can attain speeds of 30-plus mph in bursts. But in an open chase they cannot come close to catching the planet’s second fastest land animal – the North American pronghorn. These elegant ...

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% ...