During an ancient warm period, the trees had grown at an elevation above 10,000 feet – about 600 feet higher than where the ...

Researchers are revealing the secrets of 6,000-year-old pine forests, preserved in ice patches in the Beartooth Mountains.

An ancient, fossilized forest, which thrived for centuries at high altitude, has been revealed beneath a melting ice patch.

Thawing ice has unveiled remains of a long-lost forest in the Greater Yellowstone Ecosystem, indicating the profound changes ...

Extremely rare footage shows the cougar, or mountain lion, attempting to gain an edge on several goats perched on a cliff.

Researchers discovered more than 30 dead whitebark pine trees that were entombed in ice for millennia, representing a bygone ...

The comment period just opened for the proposal to keep grizzlies in the Northern Rockies classified as “threatened” — with ...

An ancient fossilized forest in Montana is reemerging 600 feet higher than the present-day tree line after spending the last ...

U.S. Fish and Wildlife Service officials also propose modifying recovery zones and managing the population as a single entity ...

The U.S. Fish and Wildlife Service today denied petitions to remove Endangered Species Act protections from grizzly bears, ...

Environmentalists are applauding the much-anticipated decision from the U.S. Fish and Wildlife Service, but there is a catch.