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

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

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

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

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 ...

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

TeleMessage, the message-archiving app that former National Security Adviser Michael Waltz appeared to be using in a ...

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

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