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 ...

Single cloud fallout: Researchers found much Fukushima particulate contamination came from one radioactive cloud, with rainfall influencing where particles settled. New crystal discovery: Scientists ...

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 ...