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

Nuclear fuel pellets are primarily made of uranium dioxide (UO2), a ceramic material. They are typically enriched with uranium-235, an isotope that undergoes nuclear fission to produce energy. (Credit ...

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 ...

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

Parsons, Kansas, may be the site of a California startup’s first ever 1-mile-deep nuclear reactor — with support from county commissioners, both Republican Kansas U.S. senators and Democratic Gov.

Many advances in technology spring from the mind of a single genius, but others, like nuclear power, are the product of many minds over generations.