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 ...

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 ...

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

The staff sent home included both career officials who were detailed to the NSC, as well as some political appointees.

President Donald Trump and Secretary of State Marco Rubio are spearheading plans to overhaul the National Security Council ...

The shake-up is just the latest shoe to drop at the NSC, which is being dramatically made over after the ouster early this month of Trump's national security adviser Mike Waltz, who in many ways had ...