Decades after the Cold War ended, U.S. defense planners concluded that deploying massive megaton-yield gravity bombs over ...

The fragile global legal framework for nuclear weapons control faces further setbacks in 2026, eroding guardrails to avoid a nuclear crisis.

The old mechanisms to prevent the spread of nuclear weapons are too antiquated and have lost their meaning with the coming of ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...

HIROSHIMA, Japan — Hiroshima on Wednesday marked the 80th anniversary of the U.S. atomic bombing of the western Japanese city, with many aging survivors expressing frustration about the growing ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...

We are amidst the 80th anniversary of three solemn days in world history, calling us to action for the sake of all life on earth. Wednesday marks 80 years since Trinity, the first detonation of a ...