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

By The A Taliban ambassador on Monday warned the new U.S. Secretary of State Marco Rubio against making threats after saying he would place bounties on Afghanistan’s rulers ...

Marco Rubio has been sworn in to be Donald Trump's new secretary of state, and another familiar Florida name has joined the ...

Donald Trump will huddle with House Republicans at a GOP retreat on Monday. Keep up with live updates from the USA TODAY ...

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

Explore the diplomatic tensions as China's Foreign Minister Wang Yi warns U.S. Secretary of State Marco Rubio in a recent ...

Colombian President Gustavo Petro, who initially refused to accept two U.S. military planes returning illegal migrants to Colombia on Friday -- and threatened to retaliate against Trump's proposed ta ...