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.

U.S. Secretary of State Marco Rubio spoke with China's Foreign Minister Wang Yi by phone on Friday, China's foreign ministry said, the first call between the two top diplomats since President Donald Trump's administration took office on Monday.

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.

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 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

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.

Wednesday on the RealClearPolitics podcast, Carl Cannon offered this question about the limits of Trump's isolationist tendencies: "Is Donald Trump going to keep the U.S. in the United Nations?"

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.

Former Florida Senator Marco Rubio became the first Donald Trump cabinet official when he was confirmed by the Senate on Monday. Vice President JD Vance has sworn in Marco Rubio as Secretary of State, the first of Trump’s cabinet nominees to take the job.