During the Vietnam war, an accident on the USS Ticonderoga led to a B43 thermonuclear weapon disappearing beneath the waves ...

When a nuclear accident happens, it’s vital that scientists have accurate fallout models.

Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S. Bypass the Strait of Hormuz with nuclear explosives? The U.S. studied that option ...

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

President Trump’s boasts of securing a commitment from Iranian leaders not to develop a nuclear weapon have puzzled nuclear ...

South Korea’s Joint Chiefs of Staff assessed the site as a uranium enrichment plant, the third such site North Korea has ...