President Trump announced on Truth Social that Secretary of State Marco Rubio will also serve as National Security Adviser ...

U.S. President Donald Trump ousted his national security adviser Mike Waltz on Thursday and named Secretary of State Marco ...

Secretary of State Marco Rubio will assume the additional responsibility of serving as National Security Advisor ...

State Department spokesperson Tammy Bruce found out about Mike Waltz's job change from a reporter during a press briefing.

Secretary of State Marco Rubio will become the first person other than Henry Kissinger to lead the State Department and serve ...

Mike Waltz, Trump's national security advisor, is leaving the White House weeks after he accidentally added a journalist to a Signal chat.

Sen. MIKE ROUNDS (R-S.D.), who serves on both the Armed Services and Intelligence committees, added that he “would be disappointed with” Waltz’s departure from NSC. Rep. DON BACON (R-Neb.) texted ...

Latest news and live updates as Trump joins a National Day of Prayer event and delivers the University of Alabama commencement address.

Mike Waltz was photographed checking his Signal chat the day before President Donald Trump announced he was stepping down ...

Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original title as the White House national security adviser ...

US President also stated that US Secretary of State Marco Rubio will assume the role of interim National Security Advisor while continuing to fulfill his duties at the State Department ...

President Donald Trump said Thursday he’s nominating his national security adviser Mike Waltz to serve as United Nations ...