Ukraine's shock incursion across the Russian border into Kursk Oblast may force important strategic decisions on Moscow as President Vladimir Putin's troops are taken as prisoners of war and supply ...

As President Trump attempts to help negotiate an end to Russia's war in Ukraine, questions have grown about what will happen to Ukrainian territory claimed by the Kremlin and held by Russian forces.

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology. She joined ...

On Aug. 6, Ukraine launched a historic raid across the Russian border destroying a convoy, capturing enemy soldiers, and repurposing enemy equipment as Russian territory fell rapidly under Ukrainian ...

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During negotiations with the United States in Saudi Arabia, Russia reportedly demanded full control over the four Ukrainian regions it said it had annexed. A map by Newsweek shows Vladimir Putin's ...