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, ...

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

WASHINGTON − Mike Waltz is out as President Donald Trump's national security adviser and is instead his new nominee for ambassador to the United Nations in a major shake-up of Trump's national ...

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 ...

President Donald Trump's outgoing national security adviser Mike Waltz was photographed using Signal on his phone during Wednesday's Cabinet meeting.

The national security adviser infamously added The Atlantic's Jeffrey Goldberg to a Signal group chat discussing Yemen attack plans.

A little over three months into his stint as President Donald Trump's national security adviser, Mike Waltz was embroiled in a controversy so widespread it soon had its own nickname: Signalgate.

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

Waltz's deputy, Alex Wong, who was also ousted this week, reportedly remains at the National Security Council.