Russia possesses the world’s largest nuclear arsenal (5,580 warheads) and has repeatedly threatened escalation over the ...

The looming expiration of the New START Treaty, the only remaining bilateral nuclear arms control agreement between the ...

German publication Der Spiegel said leaked documents show the modernization of Russian nuclear infrastructure.

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

Some 150 droves are transported by truck to inside Russia, where swarms of drones arose from them and went on the attack.

Ukraine's audacious targeting of major Russian airbases is "grounds for a nuclear attack," a prominent Kremlin propagandist ...

Deadlier weapons, more nations, autocrats in charge, disinformation and collapsing arms control — the risk of nuclear ...

President Donald Trump revealed that he had a conversation with Russian President Vladimir Putin regarding Ukraine’s recent ...

Sunday's strike means we now have to contend with the fact that an impenetrable nuclear arsenal is not so impenetrable after ...

LONDON (Reuters) -Russian military analysts are hunting for scapegoats after Ukraine stunned Moscow with weekend drone ...