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

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 announced Thursday that he would nominate national security adviser Mike Waltz to serve as UN ambassador, after widespread reports that Trump planned to oust him, in the first ...

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

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, Fox News Digital confirmed.

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

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

The Trump administration reportedly dismissed a handful of staffers at the National Security Council (NSC) on Friday, ...

The NSC has traditionally played a pivotal role in advising the president for his biggest diplomatic and security decisions.

President Donald Trump is ordering a major overhaul of the National Security Council that will shrink its size, lead to the ...

NPR's Mary Louise Kelly speaks with former national intelligence official Richard Clarke about the changes at the National ...