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

In a continuation of Signalgate, Hegsgeth came under scrutiny again last month, when the Washington Post reported that he not ...

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

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company ...

President Donald Trump's National Security Advisor Mike Waltz and other staffers are out at the National Security Council, ...

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

Who will replace Mike Waltz? President Donald Trump's leading candidates as Secretary of State Marco Rubio steps in ...

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a journalist to a Signal chat.

WASHINGTON (AP) — White House national security adviser Mike Waltz is leaving the administration just weeks after it was ...

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

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

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...