Secretary of State Marco Rubio now holds four top roles in the Trump administration, raising questions about power, trust – and whether one man can do it all.

Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role in war and peace.

As Rubio ascends in Trump’s administration, those close to him and Vance downplay any talk of a clash between the two men, who have become close friends and ideological allies.

Countries facing U.S. tariffs are increasingly fast-tracking Elon Musk's Starlink approvals to smooth trade ties with the ...

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