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 ...

This is the first significant personnel overhaul of top White House aides, and the kind of shake-up President Trump has ...

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

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

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

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

White House national security adviser Mike Waltz is set to depart the administration, according to two people familiar with ...

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ...

FILE PHOTO: U.S. National Security Advisor Mike Waltz joins U.S. Vice President JD Vance for a visit to the U.S. military's ...

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