Russia’s nuclear infra is growing in the shadows. Satellite images reveal extensive construction at five sites, from Belarus ...

Russia has released previously classified footage of the world's largest nuclear explosion, caused when the Soviet Union detonated the so-called Tsar Bomba almost 60 years ago.

Several high-ranking politicians have visited Novaya Zemlya, the remote Arctic islands where the Soviet Union once tested its largest nuclear bombs—including the Tsar Bomba, the most powerful ...