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

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

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 ...

In the first Cabinet shuffle of his second term, President Donald Trump on Thursday announced he's nominating Michael Waltz ...

Last week, however, Waltz’s phone made headlines again: on Thursday, the same day that Waltz would be ousted from his ...

Surprise! Rather than firing national security adviser Michael Waltz after Signalgate, President Trump is sending him through ...

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

Three federal departments prohibited their employees from accessing TeleMessage — a message archiving app that former ...