National security analyst Rebeccah Heinrichs and former National Security Council Senior Director Mike Allen weigh in on a ...

Ukrainian Security Service says two Russian FSB agents suspected of killing Colonel Ivan Voronych on July 10 have been ...

Russia and China's foreign ministers on Sunday discussed their relations with the United States and the prospects for ending ...

Ukraine’s Security Service said Sunday they had killed Russian special service agents suspected of gunning down a fellow ...

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv ...

Russia targeted Ukraine with more than 1,800 drones, 1,200 guided aerial bombs and 83 missiles of various types, President ...

Ukrainian intelligence agents on Sunday killed members of a Russian secret service cell wanted on suspicion of having shot ...

Kyiv says two people accused of working for Russia and shooting dead a Ukrainian intelligence officer were killed.

Poland on Saturday scrambled fighter jets in response to Russian military aircraft near its border with Ukraine.

North Korea's renewed military support for Russia comes as US President Donald Trump has resumed military supplies to Ukraine ...

In a statement, NATO said NATO Secretary General Mark Rutte will be in Washington on Monday and Tuesday and meet with ...