While mauling a hiker on Signal Mountain, the grizzly bit into the man's can of bear repellent and was hit with a burst of it, causing the animal to flee

The attack happened as Grand Teton and nearby Yellowstone National Park begin their busy summer tourist season

The Piper PA-18 crashed near the town of Forsyth at about 10:30 p.m. Tuesday. The cause was still under investigation.

Fires raging in British Columbia and Alberta sent the haze over parts of Montana, the Dakotas, Minnesota and Wisconsin

The men — 23-year-old Andrew Cameron of Utah and 32-year-old Austin Mallet of Montana — were killed in the snowslide Thursday morning

Early this year the Montana Supreme Court upheld a landmark decision requiring regulators to consider the effects of greenhouse gas emissions before issuing permits for fossil fuel development

Viola was getting a bath behind the Butte Civic Center just after noon on Tuesday when she was startled

Two mesothelioma victims accuse the railroad and its corporate predecessors in a lawsuit of polluting Libby

The first trial among what attorneys say are hundreds of lawsuits against BNSF for its alleged role polluting the Libby community is scheduled to begin Monday

Republican states including Wyoming, Idaho and Montana refused to provide wolves to Colorado, which eventually got them from Oregon

The rule issued by the Interior Department's Bureau of Land Management will tighten limits on gas flaring on federal lands

David Macfarlane, 64, of Park City, Utah, died in a snow slide near Lost Trail Pass

Last month, the hardline conservative dropped out of the Senate race six days after entering, citing former President Donald Trump's endorsement of rival Tim Sheehy and the inability to raise enough money for a viable campaign

Long-contaminated sites slated for cleanup include a former smelting plant in East Helena

The court's 5-2 decision overturns a 2022 lower court ruling that effectively blocked work on the Black Butte mine north of White Sulphur Springs