Beyond roughly 4 to 5 kilometres, the immediate blast effects weaken significantly. Windows may shatter and some buildings may be damaged, but the chances of surviving the initial explosion improve ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled as a gas or liquid during processing) to build a gun-type nuclear bomb. It ...

In a relentless, terrifying schedule, the United States detonated more nuclear bombs in the Pacific Proving Grounds between April and August 1958 than in all previous regional tests combined. One of ...

In northwest North Korea, Mount Mantap became the center of the country’s nuclear testing program between 2006 and 2017, when six underground detonations were carried out beneath the mountain. The ...

Nukemap lets you simulate nuclear explosions on an interactive map. A science historian created the tool years ago but recently updated it. The new version uses real-time weather conditions to ...