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

President Donald Trump announced former national security advisor Mike Waltz as his choice to serve as ambassador to the U.N.

P resident Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

The president says Waltz, who started the leaked Signal chat, will be nominated as US ambassador to the UN and be temporarily replaced by Secretary of State Marco Rubio.

Trump tapped Waltz to be the next UN ambassador and said Secretary of State Marco Rubio will serve as interim national security adviser.

The move by Trump comes after hours of speculation that Mike Waltz was about to lose his job as national security adviser.

Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original ...

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough questions." ...

The Signal group chat scandal and Waltz’s hawkish stance on Iran are being touted as the reasons for his ouster as NSA.

Signalgate tarred the Floridian’s reputation, but organizational issues were cited by sources for his downfall.

The Democratic senator will not vote to confirm the ex-national security adviser, who she says is "failing up" after putting ...