In addition to his existing position, Secretary of State Marco Rubio now is taking on the role of national security adviser — ...

Secretary of State Marco Rubio said foreign policy "belongs" to Trump. But Sen. Rubio had a long record of legislative ...

Democratic Virginia Sen. Mark Warner, who worked with Marco Rubio on the Senate Select Committee on Intelligence from 2011 to ...

President Donald Trump shot down rumors that he would run for a third presidential term in 2028, instead pointing to two of ...

With four hats, including national security adviser, the former Trump rival is defying predictions he’d be a weak player.

Germany’s Foreign Ministry has responded forcefully to U.S. Secretary of State Marco Rubio's criticism of the country's ...

Secretary of State Marco Rubio’s new assignment as President Trump’s interim national security adviser brings him deeper into ...

In a dramatic shift in fortunes, Rubio is the first person since Henry Kissinger to be both secretary of state and national ...

A jolt of staff upheaval this week made Marco Rubio the first person in 50 years to hold the top two national security jobs ...

President Trump mentioned Secretary of State Marco Rubio as a possible successor, along with Vice President Vance, as he ...

Germany’s foreign ministry has hit back at U.S. Secretary of State Marco Rubio after he criticized the decision to classify ...

President Trump, who has frequently raised the idea of pursuing a third term in defiance of the Constitution, told “Meet the ...