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

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

Few manmade threats inspire as much fear as the potential of a nuclear meltdown. The fact that "Chernobyl," once an obscure Ukrainian town, is now globally recognized as a synonym for catastrophe ...

GREIFSWALD, GERMANY - OCTOBER 29: A worker explains a photo taken about a year and a half ago that shows construction of the interior plasma chamber of the Wendelstein 7-X experimental fusion reactor ...

A company with a vision of installing “discreet, bespoke,” small, nuclear reactors 1 mile underground for data centers and other electricity-hungry industries plans to put its first reactors in Kansas ...

Deep Fission is betting that the safest place for a nuclear reactor is not behind thicker concrete walls but a mile beneath our feet. The California startup wants to sink compact power plants into ...

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.

LWRs dominate the global nuclear reactor market and officials acknowledge that without embedding Indian firms in international supply chains linked to this technology, breaking into the export market ...