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

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

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.

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

Mike Waltz had faced criticism for mistakenly adding a journalist to a chat group where sensitive military plans were discussed.

White House national security adviser Mike Waltz is set to depart the administration, according to two people familiar with the matter on Thursday, marking the first major staff shakeup of ...

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

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 ...

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

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the United Nations, he announced Thursday, marking the first major personnel ...

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