Republicans will regain control of the Senate after capturing at least two Democratic-held seats on Tuesday, essentially ...

A Republican U.S. senator from North Dakota who ousted a Democrat in 2018 is now facing a Democrat challenger making her ...

Control of the Senate is up for grabs, and Republicans are hoping to flip the chamber while Democrats hope to hold onto as ...

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

A third-party hopeful in the Pennsylvania Senate race is being boosted by a Democratic-tied super PAC, according to filings ...

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

Republicans also have a prime opportunity to unseat Democratic Sen. Jon Tester in deep-red Montana, though the results of ...

Steve Bullock, who that year lost a Senate race and left Democratic Sen. Jon Tester as their party’s last statewide ...

What is at stake is whether or not the foundations of democracy, American democracy, remain intact,” Sanders said at the ...

Republicans will win the US Senate majority, CNN projects, significantly shifting the balance of power in Washington.

Blunt Rochester, a Democrat who currently represents the at-large congressional district of Delaware, becomes the first woman ...

The seat was a top target for the Republican Party as it sought to reverse Democrats' thin majority in the deeply divided ...