President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to his national security ...

Secretary of State Marco Rubio is taking over for Michael Waltz as National Security Adviser, but Rubio is keeping his main job and other roles.

U.S. Secretary of State Marco Rubio is set to replace Mike Waltz as the President's National Security Advisor, reports ...

U.S. Secretary of State Marco Rubio is set to replace Mike Waltz as the President's National Security Advisor, reports ...

The fired national security adviser engaged in intense coordination with Israeli Prime Minister Benjamin Netanyahu about ...

US Secretary of State Marco Rubio is set to replace Mike Waltz as the president's national security adviser, reports Politico ...

The president said Secretary of State Marco Rubio will serve simultaneously as acting national security adviser while ...

Secretary of State Marco Rubio has been thrown into two top national security roles at once after President Donald Trump ...

Former National Security Advisor John Bolton went off on President Donald Trump's friend and special envoy as "a disaster in the making" who "doesn't know anything" about the things he is in charge of ...

Marco Rubio's expanding resume underscores President Donald Trump's increasing trust in the former Florida senator, officials ...

In March, the editor of the Atlantic magazine revealed that national security adviser Michael Waltz had inadvertently ...