National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

Who will replace Mike Waltz? President Donald Trump's leading candidates as Secretary of State Marco Rubio steps in ...

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike ...

President Donald Trump floated his deputy chief of staff, Stephen Miller, as an option to be his next national security ...

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

Sen. Jim Banks and Rep. Frank Mrvan have sent a letter to the Department of Treasury, asking for the nation’s owned and ...

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

President Donald Trump has gone through his share of national security advisers. But he doesn't hold the record, yet.

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

In his latest exclusive interview with NBC News, President Trump had high praise for Secretary of State Marco Rubio after he ...

There is a very real possibility that Trump keeps Rubio as both secretary of state and national security adviser, according ...