Longtime Senate GOP Leader Mitch McConnell is stepping down, setting up a race to replace him between John Thune of South ...

Republican David McCormick has won Pennsylvania's pivotal U.S. Senate seat, beating three-term Democratic Sen. Bob Casey.

Sheehy, whose story about obtaining a bullet wound in Afghanistan has been subject to questions, won Montana’s Senate seat ...

PHILADELPHIA — Republican Dave McCormick, an Army veteran and former hedge fund CEO, has unseated three-term Democratic ...

McCormick’s projected victory marks a pivotal moment for the Republican Party, solidifying their gains in what was one of the ...

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

Republican Jim Banks won Indiana's open U.S. Senate seat on Tuesday in a wave of double-digit percentage wins by GOP candidates in statewide races.

Republicans have retaken control of the US Senate, after flipping seats in West Virginia, Ohio and Montana. The results ...

Longtime Democrat Pennsylvania Sen. Bob Casey squared up for what he said was a "close" race against Trump-backed Republican ...