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

Secretary of State Marco Rubio is adding a new role to his portfolio: acting head of the embattled U.S. Agency for ...

Secretary of State Marco Rubio is being put in charge of the U.S. Agency for International Development (USAID) as the Trump ...

Secretary of State Rubio pushed Panama further from China, secured six Americans' release from Venezuela and ended a standoff with Colombia.

U.S. Secretary of State Marco Rubio issued a waiver on Tuesday for life-saving humanitarian assistance during a 90-day pause ...