Secretary of State Marco Rubio has been thrown into two top national security jobs at once as President Donald Trump presses ...

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

Marco Rubio called Germany's domestic spy agency's designation of the AfD party as extremist "tyranny in disguise." ...

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

Germany’s foreign ministry has hit back at U.S. Secretary of State Marco Rubio after he criticized the decision to classify ...

With four hats, including national security adviser, the former Trump rival is defying predictions he’d be a weak player.

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

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 ...

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

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 ...