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

Montana Senator Jon Tester’s campaign merch is diverse, personable, and designed to fundraise in a close contest.

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

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

Jon Tester is casting doubt on a recent poll that served as a precursor for political handicappers to give Republicans the ...

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

Both Sheehy and Moreno were endorsed by the leading antiabortion group SBA Pro-Life America. Sheehy said in a June debate ...

The latest Inside Elections rating changes give Republicans a more straightforward path to sweeping control of the Senate and ...

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

In the closely watched Montana Senate race, incumbent Democratic Sen. Jon Tester has accused his Republican challenger, Tim Sheehy, of wanting to radically change the U.S. health care system.

Two University of Montana soccer players have entered an NIL partnership with political activism group Montana Together to ...