Learn more about why the story of how wolves saved Yellowstone National Park’s aspens is more complicated — and more instructional — than it appears.

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 ...

Wolves in Yellowstone National Park have experienced a 27% decline in population in 2025.

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 ...

A wolf chases magpies and ravens from an elk carcass near Soda Butte. When wolves are on the hunt, a kill rarely goes unnoticed for long. In the elk- and deer-rich areas of northern Yellowstone ...

In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that ...

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.

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

A tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.

This kind of behavior is not encouraged. A man was caught on video approaching and spraying at a Yellowstone wolf pack. Bystanders shouted warnings. Park officials advise staying at least 100 yards ...