Decades after Semipalatinsk, the collapse of arms control leaves the world on the edge again.

The Fordow fuel enrichment plant. The Israel Atomic Energy Commission confirmed Wednesday that “critical infrastructure” was destroyed in the US airstrike on Iran’s Fordow nuclear development facility ...

WASHINGTON — The U.S. military employed more than 125 aircraft — some used as decoys — and more than a dozen bunker-buster bombs to attack three nuclear sites in Iran causing “extremely severe damage ...

WASHINGTON — One of the three nuclear enrichment sites in Iran struck by the United States last month was mostly destroyed, setting work there back significantly. But the two others were not as badly ...

Three Iranian nuclear facilities that were struck by the US military last night have “sustained extremely severe damage and destruction,” according to preliminary US intelligence estimates, Chairman ...

I appreciated Jeffrey Goldberg’s article, “ Nuclear Roulette ,” which quotes me in its last sentence: “Most of all, we forget the rule articulated by the mathematician and cryptologist Martin Hellman: ...

The Nanjing Army Engineering University reported a successful test of a triple-nuclear strike. Bunkers can be destroyed in milliseconds.

While President Donald Trump has asserted that the military's weekend strike against Iran "completely and totally obliterated" its nuclear weapon-making capabilities, there are still questions about ...

Satellite images suggest Vladimir Putin has begun preparations to test a nuclear-armed cruise missile ahead of his crunch meeting with Donald Trump on Ukraine. The pictures show heightened activity at ...