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

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

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

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

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.

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

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

Reaction to Waltz’s ‘promotion,’ Rubio now ‘secretary of everything,’ Air Force nominee grilled, Trump wants Veterans Day ...

White House national security adviser Mike Waltz is leaving the administration just weeks after it was revealed he added a ...

White House national security adviser Mike Waltz is leaving the administration just weeks after it was revealed he added a ...

Fired National Security Adviser Mike Waltz can‘t help but leak his Signal chats. Waltz, whose downfall was precipitated by ...