Republicans’ primary intervention strategy propelled them to a majority, but they failed to flip four battlegrounds that ...

Greg Hertz, R-Polson, chair of the Montana Republican Legislative Campaign Committee, and Sen. Jason Ellsworth, R-Hamilton, ...

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

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

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

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

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

Democratic Sen. Jon Tester of Montana has lost re-election to businessman Tim Sheehy, NBC News projects.

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 ...