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 ...

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

Rubio has to balance aggressive Trump policies with Latin America's willingness to cooperate. The Panama Canal will be contentious.

Yes, by all means, Secretary of State Marco Rubio should be “realistic” about Ukraine. Let’s win.

France rejected criticism from new U.S. Secretary of State Marco Rubio that it lagged in defence, saying it met NATO's target to spend 2% of GDP on its military, was on course to double spending by 2030,

A Taliban ambassador is warning new U.S. Secretary of State Marco Rubio against making threats after he said he would place bounties on Afghanistan’s rulers for their continued detention of U.S. natio

US President Donald Trump is serious about seeking to buy Greenland, Secretary of State Marco Rubio said Thursday, after Denmark was rattled by his threats to take over the autonomous Danish territory.

U.S. diplomats have neglected the Western Hemisphere for too long.

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.

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.

Rubio defended Trump's proposed territorial expansions as a 'national interest,' while Denmark and Greenland firmly rejected offers amid concerns over potential military action.