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.

Rubio lost to Trump in 2016 but he’s living his best life as Secretary of State, approved unanimously by his Senate colleagues.

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.

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

Secretary of State Marco Rubio is advising his department to cease refugee resettlement operations and begin ramping up vetting of visas from certain regions.

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.

Secretary of State Marco Rubio will make his first official trip abroad next week to Central America, including a stop in Panama, which President Donald Trump has riled with talk of trying to

The new Secretary of State already has said the Hong Kong-based operator of Panama Canal-adjacent ports could be a “big national security and defense problem.”

Marco Rubio will travel to Panama on his first trip abroad as secretary of State. The visit comes as Donald Trump looks to reclaim Panama's canal.

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 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.