Republican Dave McCormick defeated incumbent Democratic Sen. Bob Casey in Pennsylvania’s Senate race, The Associated Press ...

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

Devin LeMahieu will return as the Republican majority leader of the Wisconsin Senate. The GOP caucus elected LeMahieu to the ...

Follow live Senate race results during the 2024 general election. See Senate race outcomes and maps by state from NBC News as ...

Democratic Pennsylvania Senator Bob Casey has been unseated by Republican challenger David McCormick in one of the country’s ...

Former Arizona Sen. Vince Leach lobbied to create a GOP-leaning district for himself, but now it could give Democrats a share ...

Former President Donald Trump defeated Vice President Kamala Harris after pivotal victories in four swing states. In Congress ...

Senate Republicans once tried to check the former president’s power. This time, they will be more accommodating.

Senate Republicans could have as large as a 54-seat majority after President-elect Donald Trump's decisive performance at the ...

Control of the U.S. House of Representatives still hangs in the balance after Republicans won the Senate early Wednesday.

The GOP's retaking of the Senate ensures that Trump will be able to make judicial appointments, including to the Supreme ...

Democrats are growing increasingly concerned that they will narrowly lose the House of Representatives after Republican ...