Trump will enter White House with Republicans in control of both House and Senate, creating chance for lasting changes.

Republican lawmakers increasingly say not only that Trump has a mandate, but that his mandate is all that matters.

President-elect Donald Trump's picks for his Cabinet and other high-profile posts will be a test for the new Senate. Will it ...

Analysts say Trump’s picks for high-profile positions like secretary of state and attorney general reflect a desire to tap ...

The Washington State Republican Party has unveiled the "Project to Resist Tyranny in Washington,” designed to “prevent elected officials with authoritarian impulses from ruining the lives of people ...

Plus, Republicans prepare to scrutinize Matt Gaetz's attorney general nomination, and Trump picks Robert F. Kennedy Jr. as ...

Republicans have won enough seats to control the U.S. House, completing the party’s sweep into power and securing their hold ...

Republicans have won enough seats to control the House of Representatives, completing the party’s sweep into power and ...

President-elect Donald Trump is considering recess appointments to skip over Senate confirmations for some of the most ...

Sen. John Thune has won an internal election among Republican senators to become the chamber’s next majority leader ...

With votes still being counted, here's a look at the key races that remain uncalled by the NBC News Decision Desk (read more ...

Republicans will retain control of the U.S. House of Representatives, overcoming the odds after a chaotic two years in power ...