Depending on who's talking, Colorado's wolves are an existential threat to ranching, an imperiled native species crucial to a ...

Kira Cassidy is a wildlife biologist for the Yellowstone Wolf Project, an initiative managed by the National Park Service and ...

It's been 30 years since wolves were reintroduced in Yellowstone National Park, a move that remains controversial today - as ...

Sunday, wolves were reintroduced to Yellowstone. Then-Wyoming Gov Jim Geringer recalls former Interior Secretary Bruce ...

It's been 30 years since an effort was launched early in the 1990s to return wolves to Yellowstone National Park.

One of the oldest and most beloved wolves in Yellowstone National Park died after a fight with a rival pack in late December, ...

Wildlife watchers, while mourning the loss of 907F, also celebrated that she could "die the way of the wolf," not as a result of contact with a human or vehicle.

The most famous wolf in Yellowstone National Park, collar number 907F, has died. Known as the “Queen of the Wolves” for her ...

Gray wolves roamed across Colorado’s mountains for thousands of years. But by 1940, the last of Colorado’s gray wolves, like ...