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

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

After a barrage of threats from President Trump, Secretary of State Marco Rubio is now tasked with trying to reap cooperation ...

Secretary of State Marco Rubio declared Thursday that President Trump’s interest in taking control of Greenland and the Panama Canal “is not a joke” and vital to US national security interests.

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 ...

While Rubio’s anti-China rhetoric aligns with Washington’s broader geopolitical goals, the tools at his disposal are ...

Marco Rubio’s choice of Latin America for his first trip abroad as top US diplomat reinforces two of President Donald Trump’s ...

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

President Donald Trump's renewed interest in buying Greenland is "not a joke," according to Secretary of State Marco Rubio. During an interview on Thursday with Megyn Kelly on Sirius XM ...

The new U.S. Secretary of State, Marco Rubio, will visit Costa Rica next week to discuss a range of critical issues, including migration flows, national and regional security, and the fight against ...