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

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

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

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

Secretary lays out plans to cut positions and shrink what he called ‘bloated’ bureaucracy.

Climate: A new study has found that rapid swings in temperature have become quicker, more frequent and more intense in recent ...