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

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 ...

WASHINGTON (AP) — For Marco Rubio, the easy part is over ... coupled with Rubio’s longstanding hawkish views on Russia and support for America’s role in NATO, is what some worry will eventually make him the target of Trump’s wrath.

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.

It marks a stark contrast from the two men’s tussle for the Republican nomination back in 2016, when Rubio called Trump a “con artist” and Trump mocked Rubio as “Little Marco”.

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

Secretary of State Marco Rubio says President Donald Trump's desire to acquire Greenland and retake control of the Panama Canal is driven by legitimate national security interests stemming from growing concerns about Chinese activity and influence in the Arctic and in Latin America.

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.

The directive follows President Donald Trump’s executive order Monday pausing new obligations and disbursements of foreign aid pending review.

Secretary of State Rubio spoke with China's Director of the CCP Central Foreign Affairs Commission and Foreign Minister Wang Yi.