President Donald Trump’s former national security adviser has begun reaching out to allies on the Senate Foreign Relations ...

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

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

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

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

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

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

Reports of Mike Waltz's exit as national security advisor focused on Signalgate, but President Donald Trump has nominated him ...

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

Mike Waltz will be nominated as U.S. ambassador to the U.N., while Secretary of State Marco Rubio will take on the added role ...

WASHINGTON (AP) — White House national security adviser Mike Waltz is set to depart the administration, according to two ...

Trump tapped Waltz to be the next UN ambassador and said Secretary of State Marco Rubio will serve as interim national ...