A nuclear war is often imagined as a map of colors: red zones where survival seems impossible, orange zones where danger is extreme, yellow zones where life might continue under pressure, and green ...

By recreating a nuclear fireball, scientists uncovered unexpected chemistry that could change how radioactive fallout is understood.

In less than a millionth of a second after a nuclear detonation or a severe nuclear reactor accident, an enormous burst of energy heats the surrounding air and materials. Everything in the vicinity is ...

Scientists at Lawrence Livermore National Laboratory recreated part of the intense chaos inside a nuclear fireball to better understand how radioactive fallout forms. Their experiments revealed that ...