Congressman-elect Greg Gianforte will appear in court at 10 a.m. on Monday to face a misdemeanor assault charge against a reporter.
State environmental regulators are asking the developers of the proposed Black Butte copper mine in central Montana for more information before they begin working on an environmental impact statement.
A ground and air search is underway for a 53-year-old Illinois man who is reported missing in Yellowstone National Park.
Montana fisheries biologists found fewer large trout in a stretch of the Yellowstone River that was hardest hit by a fish-killing parasite last summer.
Butte residents are marking the centennial of one of history's worst mine disasters with solemn ceremonies and a musical.
Trials have been rescheduled for September for four Hamilton residents charged with starting The Roaring Lion wildfire last summer that burned 13 square miles of land, 16 homes, 49 outbuildings and cost $11 million to suppress.
Environmental advocacy groups have launched a new attempt to halt the expansion of Montana's largest coal mine for its effects on climate change.