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

Proliferation of roles raises questions about whether Rubio can play any substantial role in the US administration ...

World: Rubio, a former Florida senator, currently serves as secretary of State, interim national security adviser, acting ...

Secretary of State Marco Rubio said that the United States has more important challenges in the world than the conflict on ...

President Trump announced that Secretary of State Marco Rubio would serve in the 'interim' as his national security advisor.

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

The former senator from Florida is now the head of four government bodies. He has outdone Henry Kissinger and even Xi Jinping ...

Donald Trump named Secretary of State Marco Rubio interim national security adviser and announced he will nominate Mike Waltz ...

The US president said Waltz would instead be nominated as the US’s ambassador to the UN, despite his role in Signalgate.

The Trump administration remains defiant despite a judge’s order to ‘facilitate’ return of Kilmar Abrego Garcia.

"We want to send you some of the most despicable human beings to your countries," Secretary of State Marco Rubio said he is ...

Secretary of State Marco Rubio warned that the United States would give up on mediation unless Russia and Ukraine put forward ...