Russia’s top security agency says it has arrested four Russians accused of making preparations to kill senior Defense ...

U.S. President Joe Biden said on Wednesday he had asked the Defense Department to continue its surge of weapons deliveries to ...

Russia declared a federal emergency on Thursday over an oil spill caused by two Russian tankers in the Black Sea, the ...

"Ukraine was brutally attacked on Christmas Day," said Keith Kellogg, President-elect Donald Trump's pick for Ukraine and ...

Finnish police are investigating whether a Russian ship was involved in the sabotage of an electricity cable running between ...

Russia is willing to work with Donald Trump's incoming administration to improve relations if the U.S. has serious intentions ...

President Biden on Wednesday denounced Russia’s latest attack on Ukraine, declaring the wave of missiles and drones ...

Ukrainian officials say Russia has launched a massive missile barrage targeting Ukraine’s energy infrastructure ...

Ukraine's air force says it detected 184 missiles and drones, causing damage to energy infrastructure across the country.

Moscow again struck Ukraine’s energy infrastructure, part of an effort to wear down the country. “In the trenches, there are ...

Russia launched aerial attacks on Ukraine’s energy sector “on a massive scale” overnight into Wednesday, local authorities ...

Russia launches a Christmas Day missile attack on Ukraine as the war enters its third year. NBC News’ Erin McLaughlin reports ...