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 ...

During the late 1970s, the United States developed a nuclear weapon designed not to flatten cities but to kill the people inside them. The neutron bomb, formally known as an enhanced radiation weapon, ...