The new secretary of state took center stage in a diplomatic rift with Colombia over deportation flights, adding teeth to Trump's threats of sanctions.

Former U.S. senator from Florida Marco Rubio jumps into new role as secretary of state with flurry of phone calls, planned trip to Panama.

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. After taking the oath of office ...

Like the Trump presidency, Rubio placed mass migration and border security at the top of his priorities list. Marco Rubio, Donald Trump’s newly-confirmed secretary of state, has assumed office with gusto,

Marco Rubio has been confirmed by the Senate for secretary of state with unanimous support. Now comes the hard part that could make or break his tenure: retaining the full backing of his new boss, Donald Trump.

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.

Secretary of State Marco Rubio has sent an order to all U.S. diplomatic and consular posts instructing a pause on "all new obligations of funding, pending a review, for foreign assistance programs ...

Florida Sen. Marco Rubio was confirmed unanimously by the Senate to be the next secretary of state, making him the first of President Trump's Cabinet picks to receive congressional approval.

Confirmations don’t come easier than this. The Senate approved the nomination of Sen. Marco Rubio (R-Fla.) to be secretary of state 99-0 Monday, hours after President Trump took the oath of ...

WASHINGTON — For Marco Rubio, the easy part is over. He was confirmed by the Senate as secretary of state with unanimous support, Democrats joining Republicans in praising his acumen and judgment.

WASHINGTON — For Marco Rubio, the easy part is over. He was confirmed by the Senate as secretary of state with unanimous support, Democrats joining Republicans in praising his acumen and judgment.