Republican Dave McCormick leads Democratic Sen. Bob Casey by about 28,000 votes, under the 0.5 percentage point threshold for ...

The incredibly tight Pennsylvania race between Democratic Sen. Bob Casey and Republican challenger Dave McCormick will head ...

Sen. Bob Casey is not giving up on retaining his U.S. Senate seat. The three-term Democrat is currently locked in a tight ...

Eric Hovde, the Wisconsin Republican who nearly unseated Democratic Sen. Tammy Baldwin, acknowledged this week that he lost ...

The unofficial results in the race for the U.S. Senate seat in Pennsylvania have triggered a legally required statewide ...

With the incumbent leading by over 24,000 votes, Lisa Middleton of Palm Springs has conceded her loss in her bid for the ...

As Republicans prepare to take control of the Senate in January, all eyes are on the three-way contest to replace Senate ...

Fla., was knocked out of the Senate leader race after the first secret ballot on Wednesday morning, during which none of the ...

Republican Senators Rand Paul, Marco Rubio, Mike Lee and Ron Johnson have all endorsed Scott, as have leading figures in the ...

Republican Senate candidate Eric Hovde released a video Tuesday questioning the Wisconsin election results that show he lost ...

Senate Republicans are poised to make a historic decision on Wednesday when they'll gather behind closed doors to select ...

NBC News hasn't called the Senate race in Pennsylvania, where Democrats are holding out hope even as Republican Dave ...