While Ukraine’s air defense shot down 252 Russian drones, 21 made their way through, Ukraine’s Air Force reported.

A schoolboy “groomed” online by a Russian extremist researched a potential attack on a synagogue. The 16-year-old has been jailed for three and a half years for terrorist offences after joining a ...

The rampage at a Moscow concert hall killed 149 people and wounded over 600 in one of the deadliest attacks in the capital in ...

Russia launched a barrage of drones in waves of attacks on Ukraine, killing four people and damaging gas production facilities, port infrastructure, residential buildings ...

F.B.I. agents thought they had weakened an online hate group known as the Base. A string of European terrorism cases ...