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 ...

The Kremlin said on Friday the Ukraine war was "existential" for Russia, after it launched a wave of retaliatory drone and ...

The UK is looking into acquiring tactical nuclear weapons for the first time in 30 years. It is a sign of a more dangerous ...

Europe is capable of sustaining Ukraine's resistance against Russia, even if the United States were to decide to completely ...