In October 1951, the Soviet Union tested RDS-3 “Marya,” the first atomic bomb it ever dropped from an aircraft and a major ...

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

The UK's Nuclear Decommissioning Authority announced it has succeeded in safely processing a can of plutonium residue into a stable waste form for the first time, marking a significant step toward ...

Newly released memo urges Los Alamos to accelerate plutonium pit production as critics raise safety and environmental concerns.

The National Nuclear Security Administration will submit a cradle to grave plan for hazardous waste generated by plutonium pit production early next year. First, it has to inform the public.

Six hours into a routine patrol mission over the Arctic, smoke began filling the cockpit of a B-52 Stratofortress carrying four hydrogen bombs. Captain John Haug and his crew fought to reach Thule Air ...