Russia's Defense Ministry said it had carried out a "massive strike" on what it said were critical energy facilities in Ukraine that support the work of Kyiv's military-industrial complex, Reuters reported. The Russian attack left half a million people in ...

Russia’s top security agency says that it has arrested several suspects accused of involvement in an alleged Ukrainian plot to assassinate senior military officers.

Russia rebuffed incoming US President Donald Trump’s call for an immediate ceasefire in Ukraine, while saying it’s ready to hold negotiations on a long-lasting peace agreement to end almost three years of war.

Russia launches a Christmas Day missile attack on Ukraine as the war enters its third year. NBC News’ Erin McLaughlin reports on the shifting battleground there and in Washington, D.C.

Zelensky warns of greater military cooperation between Moscow and Pyongyang, including sending more troops and military equipment

Moscow again struck Ukraine’s energy infrastructure, part of an effort to wear down the country. “In the trenches, there are no holidays,” one man said.

U.S. President Joe Biden said on Wednesday he had asked the Defense Department to continue its surge of weapons deliveries to Ukraine, after condemning Russia's Christmas Day attack on Ukraine's energy system and some of its cities.

Pope Francis has called for negotiations between Ukraine and Russia to end the war triggered by Russia's invasion of Ukraine in 2022. In his traditional Christmas Day address, the Pope said "boldness [was] needed to open the door" to dialogue "in order to achieve a just and lasting peace" between the two sides.

Russia is willing to work with Donald Trump's incoming administration to improve relations if the U.S. has serious intentions to do so but it is up to Washington to make the first move, Foreign Minister Sergei Lavrov said on Thursday.

President-elect Trump’s choice for special envoy to Ukraine and Russia, retired Lt. Gen. Keith Kellogg, slammed the Russian military missile and drone attack on Christmas Day and said the U.S. is