A hacker managed to breach TeleMessage, a company that sells a modified version of Signal to the US government. Mike Waltz ...

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

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

President Donald Trump said Thursday that he’s naming Secretary of State Marco Rubio as acting national security adviser to ...

President Donald Trump has gone through his share of national security advisers. But he doesn't hold the record, yet.

National security adviser Mike Waltz is leaving his post and will become America’s ambassador to the United Nations, marking ...

Waltz's exit comes just weeks after it was revealed he added a journalist to a Signal chat being used to discuss military ...

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

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 ...

National security adviser Mike Waltz drew criticism after unintentionally adding Atlantic editor Jeffrey Goldberg to a chat ...

Trump said that Secretary of State Marco Rubio would serve as interim national security advisor until a permanent replacement ...