Secretary of State Marco Rubio has been thrown into two top national security roles at once after President Donald Trump ...

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

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 ...

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

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

Waltz inadvertently added The Atlantic's editor-in-chief to a group thread discussing sensitive national security matters.

The move by Trump comes after hours of speculation that Mike Waltz was about to lose his job as national security adviser.

White House national security adviser Mike Waltz is leaving the Trump administration just weeks after it was revealed he ...

Mike Waltz caught using Signal app knockoff after being ousted as national security adviser - President Trump also closed a ...