Russia's natural-gas transit deal with Ukraine is set to expire soon, which would cut billions in revenue.

Russia sent a ship to evacuate soldiers and equipment from its bases in Syria, but it broke down en route, Ukrainian ...

Russia accuses Ukraine of ‘massive’ drone attack that hit luxury apartment in city, some 1,000km from the frontier.

Actor-activist Liev Schreiber joins 'Once Upon a Time in Ukraine,' the Oscar-shortlisted documentary directed by Betsy West, ...

South Korea says Pyongyang is reportedly preparing for ‘additional deployment of soldiers’ to aid Russia’s war efforts.

European Union leaders insist no decisions can be taken about the future of Ukraine without its consent or behind their backs ...

Ukraine's security service claimed responsibility for killing the head of Russia's chemical, radiological and biological ...

It has been more than 1,000 days since Russia first attacked Ukraine. NBC News' Keir Simmons travels to Russia to speak to ...

The newly discovered memo, written in March 1994 by Wayne Merry, chief of the U.S. Embassy’s internal politics division at ...

Officials say a Russian ballistic missile attack on Ukraine's capital Kyiv has killed at least one person and injured nine ...

In a brazen operation pulled off by Ukrainian security forces, Russian Lt. Gen. Igor Anatolyevich Kirillov was assassinated ...

Ukraine, like the United States, is a volunteer society, and immediately after the war, groups sprang up around the country ...