Secretary of State Marco Rubio's growing portfolio of administration roles — which now includes acting national security ...

The Signal group chat scandal and Waltz’s hawkish stance on Iran are being touted as the reasons for his ouster as NSA.

In a dramatic shift in fortunes, Rubio is the first person since Henry Kissinger to be both secretary of state and national ...

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

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

Waltz’s fate was sealed by his inclusion of a journalist on a sensitive Signal group chat in March. But he had been clashing ...

Secretary of State Marco Rubio’s new assignment as President Trump’s interim national security adviser brings him deeper into ...

A new report claims that Mike Waltz attempted to negotiate military action against Iran with Israel without including Trump ...

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.

Marco Rubio, one of Donald Trump's closest associates, currently holds four key positions in the US administration. A White ...

Marco Rubio, one of Donald Trump's closest associates, currently holds four key positions in the US administration. A White ...