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

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

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

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

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...

Secretary of State Marco Rubio has been thrown into two top national security roles at once, showing a building trust from ...

Secretary Rubio has chosen a much more challenging path than simply excising large parts of the bureaucracy in one fell swoop.

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

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

US Secretary of State Marco Rubio said on Friday that Ukraine and Russia's positions are still a little far apart, adding ...

The former Florida senator landed the most coveted Cabinet seat in Trump's administration. Then he got another job, then ...

Trump says he's naming Secretary of State Rubio as acting national security adviser and taps Waltz for UN ambassador ...