A secret Russian document shows that, even as the two countries grow closer, counterintelligence agents have deep concerns ...

NBC News has analyzed satellite imagery to dig into the claims being made by Kyiv and Moscow as part of a wider propaganda ...

A directive from Russia’s domestic security service was part of a cache that was advertised online by a cybercrime group.

Putin’s forces strike Kharkiv with ‘most powerful’ attack since start of war - Kharkiv mayor says 22 people wounded in ...

Russia has conducted extensive attacks on Ukraine in recent days in what is being viewed as retaliation for an audacious ...

Russia launched one of the war's largest air attacks on Ukraine, with at least three people killed after a massive drone ...

A large Russian attack with drones and missiles has hit Ukraine's eastern city of Kharkiv on Saturday, killing at least three ...