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

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

The fired national security adviser engaged in intense coordination with Israeli Prime Minister Benjamin Netanyahu about ...

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

Elegant, eloquent, and tough, Anton would bring a level of seriousness and resolve to the post—to say nothing of an innate understanding of what Trump wants and needs.

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

Stephen Miller is emerging as a potential successor to Mike Waltz as national security advisor, fueled by his alignment with ...

Thursday was a roller coaster ride for Michael Waltz, who was removed as national security adviser and later named to be U.N.

Secretary of State Marco Rubio is taking over for Michael Waltz as National Security Adviser, but Rubio is keeping his main job and other roles.

National security adviser Mike Waltz is out, with Secretary of State ... attack Houthi rebels threatening Red Sea shipping lanes. Michael Anton has quickly become a favorite candidate to replace ...