Investigation began after the wolf's research collar was found in a tree.

Another wolf from Yellowstone National Park's famous Junction Butte Pack killed in Montana is being investigated as a ...

If a wolf pack can bring down a bison, or locate a dead or dying bison, the carcass can sustain the pack for days.

No one in their right mind would try to break up a fight between two moose. In case you were wondering, moose often battle with one another over territory or a potential mate, and though many would ...

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 ...

Every year, thousands of people flock to Yellowstone National Park armed with binoculars and cameras. They come for the geysers and thermal features, the soaring landscapes rimmed by tall peaks, ...

AMES, Iowa — The leader of the Yellowstone Gray Wolf Restoration Project will discuss the controversial reintroduction of wolves to Yellowstone National Park during a talk at Iowa State University.

"There is a reason they say to stay back!" Yellowstone tourist suffers consequences after getting too close to elk: 'He got ...

Soil, geology and archaeological sites had to be analyzed, as well as impacts to wildlife, as the National Park Service wrote an environmental assessment for a new North Entrance road.

A film about the cougars that live in Yellowstone National Park and the biologists who study them is set to be screened at the Center for the Arts tonight.