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

There is a very real possibility that Trump keeps Rubio as both secretary of state and national security adviser, according ...

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

Top diplomat, foreign aid chief, national archivist and now national security advisor. Marco Rubio's expanding resume ...

The man who Trump back then scornfully referred to as “Little Marco“ now has unmatched stature in the new administration. On Friday he became the most powerful Secretary of State since Henry Kissinger ...

The newly appointed interim national security adviser is preparing to stay in that role for up to six months, a person close ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

Iran has to 'walk away' from uranium enrichment and long-range missile development and it should allow Americans to inspect ...

President Donald Trump ousted his national security adviser, Michael Waltz. Trump’s use of an 18th century law for ...

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...