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

President Donald Trump could have booted national security adviser Mike Waltz from his post at any time since the Signalgate ...

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

Reports say President Donald Trump will nominate National Security adviser Mike Waltz to become the nation's ambassador to ...

The national security adviser infamously added The Atlantic's Jeffrey Goldberg to a Signal group chat discussing Yemen attack ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a cabinet meeting ...

National security adviser Mike Waltz and his deputy, Alex Wong, are exiting the administration, CBS News’s Jennifer Jacobs ...

President Trump announced a major shakeup in his national security team Thursday, tapping Mike Waltz to be his United Nations ...

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in ...

President Donald Trump ousted Mike Waltz, who has lost the confidence of other administration officials, from his national ...

Latest news and live updates as Trump joins a National Day of Prayer event and delivers the University of Alabama commencement address.

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...