Congress is off for the campaign season.

The general election for a race that could determine the Senate majority begins right after Montana voters lock in their nominees in Tuesday’s primaries.

A minor league baseball team in Montana is calling out the U.S. Department of Interior for “unwarranted and relentless” trademark claims in a battle over the use of an arrowhead logo.

The race for the White House isn't the only one with big stakes for climate policy.

Former U.S. Navy SEAL Tim Sheehy says he will seek the 2024 Republican nomination to challenge Montana U.S. Sen. Jon Tester as the Democrat tries to secure a fourth term.

Reagan administration Interior Secretary James Watt has died at age 85.

U.S. Sen. Jon Tester of Montana says he’ll seek reelection to a fourth term in 2024.

Democrats celebrating a successful effort to keep control of the U.S. Senate this year will soon confront a 2024 campaign that could prove more challenging.

Donald Trump’s former interior secretary, Ryan Zinke, is facing challenges on three fronts in his bid for a Montana U.S. House seat — from a Democrat, a Libertarian and Zinke's own mixed reputation among voters.

An internal watchdog says former Interior Secretary Ryan Zinke lied to investigators about conversations he had with lobbyists, lawmakers and other officials regarding a bid by two Indian tribes to operate a casino in Connecticut.

A federal judge has reinstated a moratorium on coal leasing from federal lands that was imposed under former President Barack Obama and then scuttled under former President Donald Trump.

Former Interior Secretary Ryan Zinke has won an unexpectedly tight race to become the Republican nominee in the race for a new U.S. House seat representing western Montana.

Ballot printing errors have delayed election results for Montana's new congressional seat.

U.S. House battles are taking shape that could tip the balance of power in Congress.

Primary elections in seven states Tuesday will set the stage for U.S. House and Senate battles this fall that will play into control of Congress.

When Republican Ryan Zinke first ran for Congress, the former Navy SEAL faced false accusations his military career had ended in disgrace.

Democrats on the House Natural Resources Committee have asked the Justice Department to investigate whether a Trump administration interior secretary engaged in possible criminal conduct while helping an Arizona developer get a crucial permit for a housing project.

Government investigators say former U.S. Interior Secretary Ryan Zinke misused his position to advance a Montana development project and lied to an agency ethics official about his involvement.

Former California Gov. Jerry Brown has reentered the public policy arena in California with a call to action to prevent wildfires.

Interior Secretary Deb Haaland is moving the headquarters of the Bureau of Land Management back to the nation’s capital after two years in Colorado.

A U.S. judge has rejected the Biden administration’s attempt to delay a lawsuit from several states and environmental groups that would end sales for coal mining leases on federal lands.

Former congressman and Interior Secretary Ryan Zinke says he's running for Montana's newly awarded U.S. House seat.

Former Montana congressman and Interior Secretary Ryan Zinke has filed election paperwork indicating he is interested in running for the second U.S. House seat awarded to the state.

Interior Secretary Deb Haaland has revoked a series of Trump administration orders that promoted fossil fuel development on public lands and waters.

They watch as big game animals in the West chase emerging spring greenery to ever-higher elevations, then return to lowlands to avoid the worst of winter's cold and snow. Roads, such as Interstate 80 from Wyoming to California, also hold up and kill migrating big game animals. Reintroduced populations of Western big game animals need decades to rediscover migration routes, research suggests. Mark Gordon in February designated three mule deer migration corridors with plans for others where state officials would encourage but not force help from landowners. And we now have a whole toolbox full of tools that we can use to maintain these migration corridors,” Kauffman said.

SPOKANE, Wash. The forested mountains in and around North Cascades National Park in north central Washington state have long been considered prime habitat for threatened grizzly bears, so environmental groups are upset the Trump administration scrapped plans to reintroduce the apex predators there. Grizzly bears only occupy less than 5% of their historic range, and the North Cascades presents prime habitat for grizzly bears,'' said Andrea Zaccardi, an attorney with the group. "Their recovery there is critical to the overall recovery of grizzly bears in the U.S.The center contends the North Cascades could support more than 700 grizzly bears over 9,000 square miles of habitat. Federal grizzly bear recovery plans are mandated by the Endangered Species Act and require grizzly recovery in the North Cascades, Gunnell said. Now the largest concentration of grizzlies, numbering less than 1,800, are around Montana's Glacier National Park and around Yellowstone National Park.

iStock/skibreck(CNN) - The US government might reintroduce the grizzly bear to the North Cascades area in northwest Washington and has re-opened the proposal for public comment. "There were some members of the public and elected officials that requested additional opportunity to comment on it," National Park Service spokeswoman Denise Shultz said. The proposal seeks to restore the grizzly population in the ecosystem to 200. The last time a grizzly bear was spotted on the US side of the North Cascade was in 1996, Shultz said. In the US, grizzly bears are active in Wyoming, Montana, Idaho and Washington.