Three-term incumbent Democratic U.S. Sen. Jon Tester of Montana faces perhaps his toughest reelection challenge yet on ...

Republicans have won control of the Senate, a potential boost for a Donald Trump presidency or a roadblock for Kamala Harris ...

Nine competitive races in Michigan, Ohio, Pennsylvania, Wisconsin, Montana, Nebraska, Arizona, Maryland and Nevada could determine control of the Senate.

GREAT FALLS — Republican Tim Sheehy won Montana’s U.S. Senate race early Wednesday, unseating incumbent Democrat Jon Tester.

Women's reproductive and abortion rights and elections are among the ballot initiatives going in front of Montana voters ...

Republicans flipped the Senate with projected wins in a number of key races, cementing their majority in the upper chamber.

Republicans are favored to take control of the chamber thanks to a 2024 map of races that tilts disproportionately in the GOP ...

The National Republican Senatorial Committee switched up its game plan, wading into GOP primaries after declining to do so in 2022. The strategy helped avoid costly primaries and advanced candidates ...

In Montana and Ohio, Sens. Jon Tester and Sherrod Brown ... The former Bridgewater CEO, who lost out on the Trump endorsement ...

Jon Tester of Montana faces perhaps his toughest reelection challenge yet on Tuesday, with control of the Senate on the line ... newcomer's path to win the June primary. It is the first time ...