Jon Tester faces off against Republican challenger Tim Sheehy in critical Montana senate race.

The U.S. Senate race in Montana will almost certainly decide who controls the chamber in 2025. It may also mark the beginning of the end of split-ticket voting in a presidential year, when every ...

Democrats and Republicans are investing heavily in the critical Montana Senate race between Jon Tester and Tim Sheehy.

Polls are showing Sen. Jon Tester falling behind, raising uncomfortable questions for Democrats about how to hold the Senate.

Executives at two companies met privately with Sen. Jon Tester (D-MT) and donated to his reelection campaign as he helped secure federal funding for their tech hub in Montana. The leadership team ...

Now, Tester is the only Democrat holding statewide office in Montana, and Republicans are eager to give him the boot after 18 years of listening to him claim that he wants to make D.C. more like ...

Mr. Tester, the Democratic incumbent in heavily Republican Montana, is now the second sitting senator to publicly call on President Biden to end his re-election campaign.

The Democrat is facing the fight of his life. But his inherent Montana-ness might not save him in a state where Donald Trump is overwhelmingly popular.

Tester also was the sole Democratic delegate from Montana to withhold a vote backing Harris as the party's presidential candidate in the wake of Biden's withdrawal.

Senator Jon Tester is the last Democrat holding statewide office in Montana. Can he save his seat and help keep the Senate blue?

Democrats’ razor-thin control of the Senate hinges on Jon Tester holding onto his red-state seat in Montana. But if successful, the Democrat may also be the one person who could thwart his party ...