When a nuclear accident happens, it’s vital that scientists have accurate fallout models.

Imagine a 150-kiloton nuclear bomb exploded in the city closest to you. Do you know how the city, its surrounding region, and its inhabitants would be affected? If you can't think of much more than "a ...

In 1962, at the height of the Cold War, the United States launched a nuclear weapon high above the Earth and detonated it in ...

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

We don't always get to pinpoint the exact moment the world changes. But when the New Mexico dawn was torn open at 5:29 am on 16 July 1945, it was, without a doubt, a pivotal moment in humanity's ...