Waltz inadvertently added The Atlantic's editor-in-chief to a group thread discussing sensitive national security matters.

Donald Trump removed Mike Waltz from his post as national security adviser — marking the first significant personnel overhaul ...

National security adviser Mike Waltz is leaving his post and will become America’s ambassador to the United Nations, marking the first major shakeup of President Trump’s second administration. Waltz ...

National security adviser Mike Waltz and his deputy, Alex Wong, are exiting the administration, CBS News’s Jennifer Jacobs reported Thursday. The pair are expected to leave by the end of the day.

Mike Waltz, the man behind that disastrous Signalgate group chat, spent the last 24 hours praising Trump. Now he’s getting ...

Trump administration national security advisor Mike Waltz and other staffers are out at the National Security Council, sources confirmed to Fox News. Fox News confirmed Waltz and his deputy ...

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in ...

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 ...

After 101 days on the job as national security adviser, Mike Waltz is President Donald Trump's pick to be the ambassador to the United Nations. The move follows an incident where Waltz ...

President Donald Trump is nominating his national security adviser Mike Waltz to be the next United Nations ambassador and will have Secretary of State Marco Rubio serve as interim national ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were published, President Trump announced he plans to nominate him to be ...