Congress passed a law that would require any president to seek approval before the US could leave NATO.

The former national security adviser called for the secretary of state to resign as his "reputation might suffer for a long ...

Secretary of State Marco Rubio pushes back on allegations President Donald Trump is excluding Ukraine from peace talks with ...

U.S. Secretary of State Marco Rubio discussed Russia's war in Ukraine with Czech foreign minister Jan Lipavsky on Monday as ...

Secretary of State Marco Rubio said Sunday he hasn't spoken to Ukrainian President Volodymyr Zelenskyy since the explosive ...

At an emergency summit without U.S. presence, NATO countries agreed to increase support for Ukraine, as Trump and Zelenskyy divide widens.

Foreign Minister George Gerapetritis and his US counterpart Marco Rubio met in Washington on Friday, where they discussed ...

The Europeans are rallying around Ukraine with hopes of getting the U.S. on board with a peace deal that offers their ally ...

Marco Rubio said Europeans should not fear for NATO's future after alarm Trump prompted Germany's Friedrich Merz to urge ...

The secretary also identified what he thought Zelensky’s biggest sin was in his meeting with Donald Trump and JD Vance: ...