German military official says Ukrainian drone strikes significantly damaged Russia's bomber fleet and surveillance aircraft.

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

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 ...

Ukraine's Operation Spiderweb took out more than a third of Russia's strategic cruise missile carriers, Kyiv officials said.

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

The audacious attacks on Russian airfields highlight the power of unconventional, asymmetric warfare — and the threat to U.S.

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

President Putin reportedly vowed to respond to Ukraine's surprise attack on its strategic bombers. According to Russia's ...

Restoring America’s leadership in nuclear power is once again a national security imperative, critical to competing with ...

Could Ukraine produce a nuclear bomb and transborder missiles to halt Russia’s invasion? A global expert on atomic arms ...

Kyiv’s attack on the country’s bomber fleet appeared designed to show Russia’s leader that continuing the war carries big ...