Then-National Security Adviser Michael Waltz participates in a TV interview at the White House on May 01, 2025 in Washington, ...

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

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

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

President Donald Trump announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ambassador, after widespread reports that Trump planned to oust him, in the first ...

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.

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials. "I don't even know where to start with this," says one expert.

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

The fired national security adviser engaged in intense coordination with Israeli Prime Minister Benjamin Netanyahu about ...

The Trump administration is overhauling the National Security Council after it announced former National Security Advisor ...

President Donald Trump has removed Mike Waltz as national security adviser and instead will nominate him for United Nations ...

Signalgate may have been the tipping point for national security adviser Mike Waltz, but his downfall began before he accidentally added a journalist to a private chat about a U.S. attack on Yemen.