Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to President Trump, says former adviser John Bolton.

President Donald Trump floated his deputy chief of staff, Stephen Miller, as an option to be his next national security adviser after he ousted Mike Waltz from the role last week.

Rubio, a onetime rival who ran against Trump in the 2016 primaries, has amassed increasing power in the White House after ...

President Donald Trump said he plans to appoint a new national security advisor in about six months and teased that White House deputy chief of staff Stephen Miller was among the options considered ...

President Donald Trump on Monday is set to make a major "sports announcement" on Monday after making several eyebrow-raising ...

The removal of Mike Waltz as President Donald Trump’s national security adviser – formally the assistant to the president for ...

President Donald Trump said Sunday that he plans to appoint a new national security advisor in about six months, telling ...

President Donald Trump is circumspect about his duties to uphold due process rights laid out in the Constitution, saying in a ...

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

Mike Waltz was removed as national security advisor, followed by the president nominating him for another position.

Trump unveiled a major staff shakeup and announced that National Security Advisor Mike Waltz would depart his post at the White House.