Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

Scientists debunk decades-long study claiming wolves' reintroduction triggered a dramatic transformation in Yellowstone.

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

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 ...

Claims that wolves have rescued Yellowstone National Park's aspen trees through a "trophic cascade" oversimplify a complex story.

Yellowstone wolf watchers were gathered in awe on the morning of Oct. 6, ogling a pack of at least five black wolves roaming through the sagebrush near Lamar Valley. But the crowd soon saw something ...

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.

View post: There Are 3 More College Football Bowl Games Today. Here’s the Schedule A man was caught on video approaching and spraying at a Yellowstone wolf pack. Bystanders shouted warnings. Park ...

The U.S. House passed a bill co-sponsored by Wyoming Rep. Harriet Hageman that will delist gray wolves from federal ...

Bison are playing a larger role in the sustenance of park wolves compared to past years as Yellowstone National Park’s bison herd has swelled and elk numbers have declined, according to the ...