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

Europe is likely to experience prolonged instability, even if a ceasefire is reached in Ukraine, explains the diplomat in an ...

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

U.S. President Donald Trump termed rising tension between India and Pakistan a shame, while Secretary of State Marco Rubio ...

The disarray in Donald Trump’s foreign policy team is mirroring the chaos and uncertainty that he’s foisted upon the world in ...

NATO's outdated digital systems could put lives at risk, a new report warns. Experts say U.S. leadership is key to fixing ...

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

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

With no appetite to slash pensions or hike taxes, European capitals are stretching the definition of defence spending before ...

US Secretary of State Marco Rubio and Acting German Foreign Minister Annalena Baerbock at the NATO Foreign Ministers' Meeting ...