Next month it will have been 80 years since the Japanese cities of Hiroshima and Nagasaki were devastated by nuclear attacks. More than 200,000 people – mostly citizens – would die by the year's end ...

A Princeton University simulation shows how a single low-yield nuclear weapon could rapidly spiral into a full-scale US–Russia nuclear war, leaving over 90 million people dead or injured within hours ...

A terrifying new simulation reveals what really happens when a nuclear bomb detonates—and the truth is more horrifying than you think. From blindness and third-degree burns two miles away to instant ...