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

The story of Yellowstone isn’t about cowboys ... even though the establishment of wolves in Montana, Idaho, and Wyoming has had no detectable effect on the extent or profitability of ranching ...

Montana’s governor and state agencies ... over the management of bison in the park spanning parts of Wyoming, Montana and Idaho. In addition to allowing herd sizes to grow, the plan also ...

The U.S. Fish and Wildlife Service announced Wednesday that it is proposing a new rule that would protect grizzly bears as a ...

Grizzly bears in the Greater Yellowstone Ecosystem and throughout their Lower 48 range will remain protected by the Endangered Species Act if federal wildlife managers proceed with plans announced ...

A grizzly bear in the Greater Yellowstone Ecosystem ... Instead, the agency proposed managing grizzlies as a single population across Wyoming, Montana, Idaho and Washington, as well as revisions of ...

George Marler's documentation of hydrothermal activity has provided future generations with invaluable information, writes Shaul Hurwitz.

After failing to convince Wyoming lawmakers to enact tax incentives for filmmakers, two brothers from Sheridan are taking ...

The lawsuit, filed by the Alliance for the Wild Rockies and Council on Fish & Wildlife, comes less than three weeks after the state of Montana also sued the park.

Federal officials said last week they would not remove protections for grizzly bears. The U.S. Fish and Wildlife Service announced their decision Jan. 8. Montana and Wyoming sought a delisting of the ...

The proposal means that Montana, Wyoming and Idaho will not be allowed to manage ... the Northern Continental Divide Ecosystem, Greater Yellowstone Ecosystem and the entire Lower 48.

This single distinct population segment comprises parts of Montana, Wyoming, Idaho and Washington and ... Continental Divide Ecosystem and Greater Yellowstone Ecosystem, respectively, and ...