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

GREAT FALLS, Mont. — He defied the odds once, then a second time and a third. Now, Democratic Sen. Jon Tester is hoping to do it again. Now on his fourth try, he’s facing his biggest test yet ...

Recent political ads supporting Senator Jon Tester have sparked discussions among rural law enforcement leaders in Montana.

One of the most influential U.S. Senate races comes to a close Tuesday night when polls close in Montana and Democratic incumbent Sen. Jon Tester attempts to su ...

Oscar-nominated actress and Montana native Lily Gladstone publicly endorsed Senator John Tester during a rally held in ...

But every now and then ... “I’m Jon Tester, and I approve this message to defend Montana before it’s too late.” But the senator’s parochial appeals are not packing the punch they ...

Republicans are poised to hold at least 52 out of 100 Senate seats in 2025 after Republican Tim Sheehy defeated three-term ...

Tester brought in an impressive fundraising haul over the past few months, but polls suggest it may not be enough for him to win.

The Associated Press at 4:30 a.m. Wednesday declared that Republican U.S. Senate candidate Tim Sheehy beat incumbent ...

U.S. Sen. Jon Tester, D-Mont., leads a cheer at a rally ... and they haven’t had an outright majority in either state house since 2007. Now, the GOP has super majorities in the state legislature.

Wylie Gustafson has been voting for Sen. Jon Tester, a third-generation Montana ... Almost half the state is now made up of people who were not born there, according to U.S. Census Bureau data ...