Senate Democrats' campaign spending group is wading into Mississippi's Senate race for the first time this cycle.

Nate Silver has upgraded Democrats’ chances of winning the Senate to “Likely D,” with his forecast putting their odds at 75 ...

Control of the Senate appeared to be beyond Democrats’ reach at the start of primary season. Now the math suggests a ...

Senate Democrats’ top super PAC announced Tuesday it is launching a new ad campaign in the Mississippi Senate race, as ...

Democrats’ top Senate super PAC is buying its first ads in a Senate race in one of the deepest red states: Mississippi.

In South Carolina, Democrat Annie Andrews is challenging Sen. Darline Graham (R), who in July was appointed to serve the ...

The Cook Political Report, a nonpartisan election handicapper, on Tuesday moved Minnesota’s Senate race from likely to lean ...

Four Senate Democrats are seeking insights from SpaceX on the degradation of the company’s military Starshield system for ...

Kansas has not sent a Democrat to the Senate since 1932 – does Adam Hamilton have the courage, brain and heart to cause an extraordinary upset?

Alaska Democrat Mary Peltola, the former congresswoman seeking a Senate seat, emphasized her willingness to cross the aisle, ...

Dan Osborn, who says he won't caucus with Republicans or Democrats if he wins, is campaigning with Democratic Rep. Ro Khanna ...

Outside groups, with help from Elon Musk, have spent more than $137 million on Iowa's open U.S. Senate race this election ...