Tensions between the U.S. and China have been rising for some time now, and Rubio's appointment has widely been seen as a sign that Trump plans to maintain a hard line on China during his second term. One of the most outspoken China hawks in Washington, Rubio has introduced several bills targeting the Chinese Communist Party.

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.

The Senate confirmed Senator Marco Rubio, Republican of Florida, on Monday as America’s 72nd secretary of state, putting a former political rival of President Trump at the helm of American diplomacy.

Secretary of State Rubio spoke with China's Director of the CCP Central Foreign Affairs Commission and Foreign Minister Wang Yi.

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.

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.

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.

It is one of the first directives to be implemented after Trump signed a sweeping anti-trans executive order declaring only two sexes, male and female as assigned at birth.

Secretary of State Marco Rubio indicated that the United States government may consider placing a "very big bounty" to locate Taliban leadership.

The U.S. may place a "very big bounty" on the top leaders of the Taliban, Secretary of State Marco Rubio said on Saturday, adding he was hearing that the Taliban held more American hostages than previously reported.

U.S. Secretary of State Marco Rubio is hearing from Pennsylvania lawmakers pushing for the release of Marc Fogel from Russia.