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

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

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

At the age of 11 years, 9 months, Wolf 1090F has earned the title of the oldest living wolf in Yellowstone, which is ...

Now, the researchers at Yellowstone National Park want to learn wolf language beyond what has been fed to us through ...

Colorado Parks and Wildlife could lose authority over the reintroduction of gray wolves in the state, according to a warning ...

Five years after Coloradans voted by a razor-thin margin to reintroduce wolves to Colorado, they are right to look at the job state officials and agencies have done and ponder whether this a dog that ...