Trump said he would end the war in Ukraine within his first 24 hours in office. His patience with Russia's Putin now appears ...

NATO Secretary General Mark Rutte is set to meet President Donald Trump this week on the heels of the U.S. leader announcing ...

In a statement, NATO said NATO Secretary General Mark Rutte will be in Washington on Monday and Tuesday and meet with ...

President Trump’s envoy for special missions, Richard Grenell, is causing tensions within the State Department as critics say his “freelancing” is damaging U.S. diplomatic negotiations and ...

Commenting on Rubio's words that a "new approach" had been proposed on Ukraine, Russian Foreign Ministry Spokeswoman Maria Zakharova said that there was no intrigue here, it was part of the diplomats' ...

During a meeting with US Secretary of State Marco Rubio, Russian Foreign Minister Sergey Lavrov reiterated the Kremlin's ...

U.S. Secretary of State Marco Rubio and his Russian counterpart will meet Thursday in Malaysia for what could be a testy ...

Secretary of State Marco Rubio addressed the timing of a potential face-to-face meeting between President Donald Trump and Russian leader Vladimir Putin regarding a ceasefire deal in Ukraine in an ...

Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role in war and peace.

Marco Rubio was just two weeks into his new job when he got a critical lesson in being President Donald Trump’s secretary of state.

Secretary of State Marco Rubio indicated Thursday that a peace deal between Russia and Ukraine is still on the horizon but noted the eastern European nations are still very much at odds with “no ...