In addition to his existing position, Secretary of State Marco Rubio now is taking on the role of national security adviser — ...

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

Marco Rubio was just two weeks into his new job when he got a critical lesson in being President Donald Trump’s secretary of ...

Secretary Rubio’s new role as national security adviser may be unsustainable, according to foreign policy experts.

The former senator from Florida is now the head of four government bodies. He has outdone Henry Kissinger and even Xi Jinping ...

Secretary of State Marco Rubio has a new job title: interim national security adviser.President Donald Trump announced the ...

Marco Rubio (R-Fl.) as America’s 72nd secretary ... Australia and India, the so-called Quad. The foreign ministers were present at Trump’s inauguration at the Capitol on Monday.

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

The president says a third term is 'not something I'm looking to do,' and the US economy is in a 'transition period' ...

Marco Rubio is now secretary of state and acting national security advisor. NPR speaks with former national security adviser John Bolton about whether it's really possible to juggle both roles.