The most powerful weapon in the US nuclear arsenal is the B83 nuclear bomb. Developed in the late 1970s and in use since 1983, the B83 is a variable-yield gravity bomb with unparalleled destructive ...

A bomb hundreds of times more powerful than the one dropped on Hiroshima is set to be disassembled in Amarillo, Texas Tuesday, almost 50 years after it was put into service during the Cold War. It is ...

North Korea said Sunday it had tested a hydrogen bomb which it can mount on a missile, declaring "perfect success" in its biggest-ever nuclear detonation. Pyongyang has long sought the means to ...

SEOUL, South Korea (AP) — At a massive military parade attended by foreign leaders, North Korean leader Kim Jong Un rolled out his nuclear-armed military’s most powerful weapons, including a new ...