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

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

Waltz’s problem was that in an administration of know-nothing America firsters, solicitous Trump sycophants, and national ...

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

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

Signalgate was the national security adviser’s most glaring mistake. But his problems ran deeper. After Michael Waltz, the ...

Waltz's deputy, Alex Wong, who was also ousted this week, reportedly remains at the National Security Council.

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

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

Mike Waltz has been nominated to serve as the next U.S. ambassador to the United Nations. In turn, there's renewed interest ...

The knives were out for the national-security adviser from the start.