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 ...

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

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

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

President Trump reportedly wasn’t “happy” about his national security adviser’s hawkish stance on striking Iran nuclear sites ...

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

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

President Trump removed Mike Waltz as national security adviser because the Floridian would be a “better UN ambassador,” Vice ...

The knives were out for the national-security adviser from the start.

Before he became embroiled in the Signalgate scandal, which preceded his plans to step down as national security advisor, ...

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