Only around a million people live in Montana, but the state will likely determine the balance of power in the U.S. Senate.

MSNBC's Lawrence O'Donnell is joined by Montana Democratic Sen. Jon Tester to discuss how the issue of reproductive rights, ...

The Montana Supreme Court ruled that a third-party Senate candidate can remain on the November ballot, rejecting the state's ...

Senate Democrats pledge to stick by Sen. Jon Tester (D-MT) until the very end, even against increasingly long odds he can ...

The Montana Supreme Court on Tuesday affirmed a lower court ruling that allowed the state’s Green Party Senate candidate to ...

Montana incumbent Sen. Jon Tester and Republican challenger Tim Sheehy have raised $57 million so far in the most pivotal ...

Jon Tester is the most vulnerable Democratic senator in 2024, and the bloated ballot is making his fight with Tim Sheehy harder to win.

Republicans are feeling better and better about their chances of knocking off Sen. Jon Tester (D) in Montana’s hotly ...

Three-term U.S. Sen. Jon Tester has made reproductive freedom for women a hallmark of his campaign. Yet one woman Tester ...

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

Mont., is in the toughest race he’s faced yet. His fate will likely determine who controls the Senate next year.

Democrats are pumping $25 million into expanded voter outreach across 10 states as part of their effort to protect their ...