Nuclear weapons

Congress needs to fund independent research on radioactive contamination and how to clean it up

Nuclear states admit to owning about 13,000 warheads, but the real number could be higher

Russia’s invasion of Ukraine shows the limits of nuclear deterrence

As more of physics research is funded by the military, it is important to learn the full history of our past

An archival project aims to document the experiences of people who suffered from U.S. nuclear weapons testing

Tracking the missiles is like picking out one light bulb against a background of light bulbs, but new technology aims to see them more clearly

While many provisions of the proposed agreement expire after 15 years, the dynamics of the Middle East are shifting too quickly to predict what lies in store

Yes, the Cold War ended long ago, but we still live in a nuclear-armed world, in which the possibility of nuclear war, terrorism and accidents is all too real.

Does deterrence prohibit the total abolishment of nuclear weapons?

A rapid imaging technique adapted from medical applications shows promise in the detection of nuclear materials

The body of men and women who built the atomic bomb was vast, diverse, talented and multitudinous. Every conceivable kind of professional – from theoretical physics to plumber – worked on the Manhattan Project for three years over an enterprise that spread across the country and equalled the US automobile industry in its marshaling of [...]