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

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

The man who Trump back then scornfully referred to as “Little Marco“ now has unmatched stature in the new administration. On Friday he became the most powerful Secretary of State since Henry Kissinger ...

The Trump administration’s new “Catch and Revoke” policy allows visa revocation for non-citizens committing legal infractions ...

As Secretary of State, Marco Rubio juggles multiple roles while addressing international conflicts and implementing key ...

Amid wars and diplomatic standoffs, Trump increasingly turns to former campaign adversary -- now secretary of state and new ...

Ukraine wants to hold another meeting of national security advisors with the participation of the United States, Britain, ...

A new report claims that Mike Waltz attempted to negotiate military action against Iran with Israel without including Trump ...

The president said Secretary of State Marco Rubio will serve simultaneously as acting national security adviser while ...

U.S. Secretary of State Marco Rubio is set to replace Mike Waltz as the President's National Security Advisor, reports ...

The United States has designated the Viv Ansanm and Gran Grif gangs in Haiti as “foreign terrorist organisations”. This ...

US Secretary of State Marco Rubio is set to replace Mike Waltz as the president's national security adviser, reports Politico ...