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

The newly appointed interim national security adviser is preparing to stay in that role for up to six months, a person close ...

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

Reports say President Donald Trump will nominate National Security adviser Mike Waltz to become the nation's ambassador to ...

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

Trump announced the moves shortly after news broke that Mike Waltz and his deputy Alex Wong were leaving the administration.

Waltz came under scrutiny after revelations that he added a journalist to a private text chain about military operations.

U.S. President Donald Trump's national security adviser Mike Waltz is being forced out of his job, four people briefed on the ...

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

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

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...