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.

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 ...

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 ...

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 ...

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

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 ...

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.