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.

Secretary of State Marco Rubio ordered a pause Friday on "all new obligations of funding, pending a review, for (U.S.) foreign assistance programs funded by or through the Department and USAID."

Secretary of State Marco Rubio threatened the heads of the Taliban with a “very big bounty” after hearing that more American hostages are being held by the group. “Just hearing the Taliban ...

While Rubio’s anti-China rhetoric aligns with Washington’s broader geopolitical goals, the tools at his disposal are insufficient to match Beijing’s economic engagement.

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.

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 ...

Vice President JD Vance has sworn in Marco Rubio as Secretary of State, the first of Trump’s cabinet nominees to take the job. Rubio said Trump’s primary priority will be furthering the United ...

WASHINGTON – Sen. Marco Rubio became the first member of President Donald Trump’s Cabinet to be approved by the Senate, overwhelmingly winning confirmation hours after the executive branch ...

The day after Donald Trump was sworn in as America's 47th president, former U.S. senator from Florida, Marco Rubio, was sworn in as the 72nd secretary of state. Rubio was the first of Trump's ...

Rubio was widely expected to be confirmed as the U.S.'s top diplomat and was the least controversial of Trump's Cabinet picks. He is the first nominee to be confirmed by the Senate and Republicans ...

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.