Canadian wolves released on McBride Ranch in Colorado, sparking controversy over lack of transparency and public trust.

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

On Jan. 12, 1995, more than 50 years after the last wolf had died in Yellowstone National Park, Mollie Beattie carried the ...

President-elect Trump's upcoming return to the White House is generating grave concerns that the National Park Service will ...

No doubt I was a little winded after climbing that last piece of hillside. It just doesn’t seem to get any easier.

Just as the 1995 reintroductions in central Idaho and Greater Yellowstone ensured a population across the Canadian and U.S.

For decades, researchers in and around Yellowstone National Park have used seismic waves to map the hot mush below the ...

Servheen was the IGBC’s original recovery coordinator back in 1983, and wrote the 1993 recovery plan that’s still on the ...

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

YELLOWSTONE NATIONAL PARK - Thirty years ago, trucks carrying wolves arrived at the North Entrance of Yellowstone National ...

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