Watch live as Marco Rubio, Donald Trump's new Secretary of State, delivers remarks to employees at the Department of State ...

After taking the oath of office, Marco Rubio promised that every action taken by the State Department will be determined by ...

Former U.S. Sen. Marco Rubio was sworn in as secretary of State on Tuesday morning and pledged to improve the department and ...

Secretary of State Marco Rubio is advising his department to cease refugee resettlement operations and begin ramping up ...

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, in a memo reviewed by NBC News, said additional guidance would be issued on existing ...

The State Department will conduct a review to determine which of the thousands of U.S. aid and development programs can ...

The State Department has frozen new funding for almost all U.S. aid programs worldwide, making exceptions to allow ...