The new secretary of state took center stage in a diplomatic rift with Colombia over deportation flights, adding teeth to Trump's threats of sanctions.

Former U.S. senator from Florida Marco Rubio jumps into new role as secretary of state with flurry of phone calls, planned trip to Panama.

WASHINGTON – Last time Donald Trump won office, it was Sen. Marco Rubio asking the probing questions. The Florida Republican used his perch on the Senate foreign affairs panel to grill Trump ...

New Secretary of State Marco Rubio told China's foreign minister on Friday that the U.S. would put the American people first and promote U.S. interests in its relationship with Beijing.

The Senate voted unanimously to confirm Sen. Marco Rubio's as secretary of state on Monday, making him the first member of President Donald Trump's second Cabinet.

Marco Rubio has been confirmed by the Senate as the country’s next secretary of state. The nomination of the senior senator from Florida, 53, was confirmed on Monday, Jan. 20, hours after Donald Trump took the oath of office as the 47th president.

Florida Senator Marco Rubio has promised to implement Donald Trump's "America First" agenda as the next Secretary of State.

After a unanimous confirmation vote hours after the President was inaugurated Monday, the former Senator was sworn as Secretary of State on Tuesday. Rubio promised to help Trump deliver on a foreign policy vision for which he has a “clear mandate.”

The Senate voted Monday to confirm Republican Florida Sen. Marco Rubio as the 72nd U.S. secretary of state. The vote

Donald Trump has taken back control of the White House, with his presidential inauguration taking place on Monday.

U.S. Secretary of State Marco Rubio refused to comment on President Donald Trump’s pardons and commutations of more than 1500 people convicted of crimes surrounding the January 6 assault on the U.S. Capitol,