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 ...

Russia bombarded Ukraine’s second-largest city with massive strikes in the early hours of Saturday, its mayor said, one night ...

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

The barrage included aerial glide bombs that have become part of a fierce Russian onslaught in the three-year war.

Ukraine's Operation Spiderweb took out more than a third of Russia's strategic cruise missile carriers, Kyiv officials said.

U.S. citizen Joseph Tater, who was detained in Moscow last August and later sent for compulsory psychiatric treatment, has left Russia, the state news agency TASS said on Friday.

Videos of an object breaking up in the sky over Kazakhstan sparked rumors of a failed launch of Putin's deadly ...

Russian air defence forces shot down three drones attempting to attack Moscow, Sergei Sobyanin, the Russian capital's mayor, said on Friday.

The Russia-backed Wagner Group says it is leaving Mali after more than three and a half years of fighting Islamic extremists ...

Russia launched a massive drone and missile barrage across Ukraine in a major retaliatory strike, days after Kyiv damaged key ...