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

Rubio's appointment as secretary of state has been seen as sign that Trump plans to maintain a hard line on China.

The departure from the Biden administration’s approach to combatting so-called “disinformation” was one of several planned changes for the State Department outlined by Rubio, 53, in a cable sent

Secretary of State Marco Rubio shut down questions from NBC "Today" show host Craig Melvin about President Trump's decision to pardon Jan. 6 defendants.

Marco Rubio has changed a lot since he ran for president in 2016. But his political evolution has made him uniquely qualified to be Trump's secretary of state.

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.

China's expanding footprint in Latin America is expected to be high on the agenda when US Secretary of State Marco Rubio visits Panama next week on his first overseas trip since taking office, according to observers.

The Senate on Monday confirmed Marco Rubio as secretary of state, making him the first of President Trump's Cabinet nominees to win the approval of the upper chamber. The Senate confirmed Rubio in a 99 to 0 vote as his former colleagues in the Senate touted his qualifications for the job.

The new US Secretary of State, Marco Rubio, spoke on Wednesday with Venezuelan opposition leaders Edmundo González Urrutia and María Corina Machado to reaffirm Washington’s […]

Marco Rubio was overwhelming confirmed by the Senate as secretary of State to Donald Trump. He becomes the global face of Trump's foreign policy.

Secretary of State Marco Rubio is preparing to travel to Panama, Costa Rica, Guatemala and other Central American countries, State Department spokesperson Tammy Bruce confirmed to CBS News. The trip,