Former national security adviser Michael Waltz in the Cabinet Room of the White House in March. Shawn Thew / EPA / Bloomberg ...

The national security advisor and his deputy are reportedly leaving their posts, after the former accidentally invited a ...

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

President Donald Trump ousted his national security adviser, Michael Waltz. Trump’s use of an 18th century law for ...

In March, the editor of the Atlantic magazine revealed that national security adviser Michael Waltz had inadvertently ...

Waltz’s ouster on Thursday was cushioned by his appointment as President Donald Trump’s ambassador to the United Nations.

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 ...

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

A Reuters photographer captured an image of Michael Waltz’s phone screen during a White House cabinet meeting, a day before ...

Now Waltz joins a list of discarded Trump national security advisers, alongside Flynn, H. R. McMaster, and John Bolton. That ...