Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Late last week, Israel targeted three of Iran’s key nuclear facilities – Natanz, Isfahan and Fordow, killing several Iranian nuclear scientists. The facilities are heavily fortified and largely ...

On the afternoon of Dec. 2, 1942, The Atomic Age began inside an enormous tent on a squash court under the stands of the University of Chicago’s Stagg Field. There, headed by Italian scientist Enrico ...

Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive material split, emitting neutrons.

Late last week, Israel targeted three of Iran’s key nuclear facilities – Natanz, Isfahan and Fordow – killing several Iranian nuclear scientists. The facilities are heavily fortified and largely ...

Outdone only by nuclear fusion, the process of nuclear fission releases enormous amounts of energy. The ‘spicy rocks’ that are at the core of both natural and artificial fission reactors are generally ...

Two billion years before we made history and split the atom, the Earth had already accomplished it and was running its own ...

The U.S. Department of Energy reported a major scientific breakthrough in nuclear fusion science in December 2022. For the first time, more energy was released from a fusion reaction than was used to ...