Nuclear bombs do not rely on size, they rely on physics. Here is how chain reactions and hydrogen bombs unleash power on a ...

In nuclear terms, Japan is a classic “latent nuclear power,” meaning it is a country that doesn’t have nuclear weapons but ...

The two lawmakers questioned the necessity of the nuclear weapons agency's plutonium pit strategy in a letter exclusively ...

It's the nation's largest multi-program science and technology laboratory. But nuclear science is its history — and its future.

SEATTLE (AP) — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first ...

A lost nuclear device in the Himalayas, filled with plutonium from a secret 1965 CIA-India mission to spy on China, disappeared at the Nanda Devi peak. The device remains missing, fueling fears of rad ...