LIVE: Donald Trump is now the 47th President of the US. He was administered oath at the US Capitol Rotunda. Stay tuned for ...

Margaret Brennan sat down with President Donald Trump's pick for his National Security Advisor, former Representative Mike ...

Trump’s Mars pledge elicited a huge grin and enthusiastic double thumbs up from billionaire and top Mars colonization ...

Rep. Mike Waltz (R., Fla.), whom President-elect Trump has picked to serve as his national security adviser, has resigned ...

House Republicans lost another member after Rep. Mike Waltz resigned to take his post as President Trump’s national security ...

A large number of senior career diplomats who served in politically appointed leadership positions and also lower-level posts ...

Trump to address supporters after inauguration pledges to ‘drill, baby, drill’ for oil and gas and to ramp up deportations ...

The Trump administration's demand for senior State Department resignations highlights typical personnel changes post-election ...

Sen. Tom Cotton (R-AR), one of the biggest China hawks in the GOP, disputed Donald Trump's goal of allowing the platform to remain online and extend the deadline for the sale.

Trump tapped Waltz, a House lawmaker and former Green Beret, in the fall to serve as his national security adviser.

Melania Trump’s meme cryptocurrency launched Sunday night, skyrocketing in value and netting her a tidy profit only hours ...

National Security Adviser Jake Sullivan hands a baton to incoming National Security Adviser Mike Waltz during a ceremonial ...