The U.S. has agreed to provide unspecified security guarantees to Ukraine as part of a peace deal to end Russia's nearly four ...

Ukraine’s domestic security service, the SBU, said Monday that it struck a Russian submarine in the Black Sea port of ...

Ukraine's internal security agency said the attack damaged and disabled a Russian Kilo-class submarine in the port city of ...

Russia is now arming its drones with Soviet-era air-to-air missiles to hunt Ukrainian aircraft, Kyiv said.

Ukrainian drone attack in southwestern Russia killed two people as parts of Ukraine went without power after Russian assaults ...

By The Associated Press A Ukrainian drone attack in southwestern Russia killed two people and parts of Ukraine went without ...

Ukraine said on Monday it hit and disabled a Russian missile-carrying submarine docked at a Black Sea naval base using underwater sea drones for the first time, but Moscow denied the strike caused any ...

A top Ukrainian sea-drone commander says more complex attacks on Russian forces are expected next year as Kyiv’s uncrewed ...

On Nov. 28, a Russian attack lasting more than 10 hours struck Ukrainian cities, with Kyiv as the main target. The Kyiv ...

Russia launched a massive attack on Ukraine overnight into Saturday, firing 653 drones and 51 missiles across the country as ...