The South Dakota Republican failed in his first try for the Senate but came back to defeat a chamber leader. Now he will be ...

Many Republican senators were stunned that Representative Matt Gaetz, Republican of Florida, had been chosen as the nominee, ...

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

Several Senators said they were shocked at the nomination, raising questions about whether or not they will check Trump ...

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

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

The new Senate Republican majority is promising to leave the filibuster alone — even if it stands in the way of the Trump ...

The mild-mannered South Dakotan and top McConnell ally recently made efforts to patch up his relationship with ...

Senate Republicans elected South Dakota Sen. John Thune as their new leader on Wednesday, replacing the canny Mitch McConnell ...

Republican senators will gather behind closed doors Wednesday to decide who will replace longtime Senate leader Mitch ...

The U.S. Senate race between Republican Dave McCormick and Democratic Sen. Bob Casey will go through a recount after the ...

Thune beat out two other competitors, Sens. John Cornyn and Rick Scott, by gaining majority support from GOP senators in a ...