State Secretary Marco Rubio spontaneously pulled out of Ukraine peace talks Wednesday, leaving State Department spokesperson ...

Secretary of State Marco Rubio unveiled a massive overhaul of the State Department on Tuesday, with plans to reduce staff in ...

Secretary of State Marco Rubio warned in a new interview that a potential war with Iran would be “much messier” and “more ...

US President Donald Trump previously pulled out of nuclear deal focused on monitoring to ensure Iran did not move towards ...

Secretary of State Marco Rubio said in an interview released Wednesday that Iran must give up all nuclear enrichment if it ...

As the Trump administration hopes to boost defense spending to record highs, it's downsizing investment in diplomacy.

Talks between the U.S., Ukraine and European officials to discuss ending Russia's war in Ukraine faltered as Secretary of ...

Secretary of State Marco Rubio’s last-minute decision to cancel means there will be no foreign ministers meeting in London ...

Rubio's first step toward overhauling the State Department is drawing fierce criticisms. The secretary's second step might ...

"This is a critical moment for Ukraine, Britain and Euro-Atlantic security," British Foreign Minister David Lammy said on ...

Read about Secretary of State Marco Rubio's announcement of a reorganization plan, which includes the movement of cyber and ...

A major meeting in London aimed at bringing about an end to Russia’s war in Ukraine has been downgraded after US Secretary of ...