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 ...

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

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

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

Days after former National Security Adviser Mike Waltz was caught using a knock-off Signal app, a hacker broke into the ...

The top National Security Council officials overseeing the Middle East and Israel and Iran portfolios — seen as pro-Israel ...

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

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

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