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.

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

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

Fox News Digital took a look at whom President Donald Trump could select to replace former national security advisor Mike Waltz.

Among those changes is the news that Mike Waltz will no longer be serving as the national security advisor and has been nominated to be ambassador to the United Nations. Trump announced that Marco ...

Some worry that redirecting foreign-policy responsibilities away from the NSC to other bureaucrats could hinder the president ...

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

Trump said that Waltz "has learned a lesson and is a good man." President Donald Trump said he is confident in his national security adviser, Mike Waltz -- a day after a report detailed how he ...

National Security Advisor Mike Waltz accidentally added a journalist to a Signal group chat about classified military action in Yemen. The chat included top Trump administration officials ...

The dismissals, part of a plan to sharply downsize the National Security Council, follow President Donald Trump’s recent ...

The communications app TeleMessage, which was spotted on former US national security adviser Mike Waltz's phone, has suspended “all services” as it investigates reports of at least one breach.

The move is the latest effort to slim down a federal agency, and after Trump announced former National Security Advisor Mike ...