Dmitry Medvedev referenced a rumored Soviet-era nuclear weapon system during an online disagreement with President Trump.

Across eastern Ukraine, Russia’s tiny gains are adding up. It is capitalizing on a series of small advances and throwing ...

More than three years after they were seized from their homes, concerns are growing for three Ukrainians who worked for the ...

Secretary of State Marco Rubio joins the ‘Brian Kilmeade Show’ to discuss ongoing talks with Russia over the Ukraine war and new findings related to allegations of Trump-Russia collusion during the ...

CNN’s Nick Paton Walsh reports from the frontlines of Ukraine, where soldiers rush to bring in the wounded as drones ...

Ukraine has new mobile complexes to keep its F-16s moving while Russia hunts them. That sort of dispersal is something the ...

Russian troops also struck a residential 5-story building in the eastern Ukrainian city of Kramatorsk, according to the head ...

The last lifelines into besieged towns along the eastern frontline for Ukrainian troops, caught in a web of increasingly ...