The first wave on Ukraine's second-largest city was a large Russian drone-and-missile attack in the early hours.

With one surprise attack after another, Ukraine keeps inventing new ways to wage war with drones. In turn, Russia is building ...

Sharing further details of the large-scale assault, Ukrainian officials said that cruise missiles and hundreds of drones were ...

Russia pummels Ukraine’s second-largest city with ‘most powerful drone strike’ since start of war - Russia launched nearly 50 ...

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

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

At least two people have been killed and another 17 injured in the biggest Russian drone attack on Ukraine's second-largest city of Kharkiv, the mayor says. Ihor Terekhov says that overnight Russia ...

Ukraine launched a stealthy and significant attack on Russia last weekend. Experts say it’s going to change modern warfare, but the U.S. isn’t prepared ...

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