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

China's EAST nuclear fusion reactor has successfully kept plasma stable at extreme densities, passing a major fusion ...

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

In 2025, IAEA website audiences were drawn in large numbers to our visual science explainers and features on the safe and secure uses of nuclear energy, nuclear science and technology. 1.

Another day, another nine-figure round for a nuclear startup. Radiant Nuclear said today that it has raised more than $300 million, just one day after Last Energy said it had raised $100 million.

Limitless clean energy is one step closer to becoming a reality, following the latest nuclear fusion breakthrough. Scientists from the UK and Austria have developed a new AI tool that can simulate the ...

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 ...

Associate Professor of Construction Management; Director of Research, Applied Research Center, Florida International University As U.S. electricity demand rises and technology companies seek to build ...

China’s experimental thorium molten salt reactor has reportedly achieved sustained thorium-to-uranium fuel conversion, marking a major scientific first. The breakthrough could ease China’s dependence ...

A Trump administration pilot program aims for three nuclear startups to reach a key milestone by July 4, 2026. Valar Atomics says it’s the first to do so—but it had some help. It’s also, more ...

Anduril Industries Inc. founder Palmer Luckey, a Lockheed Martin Corp. board member, Palantir Technology Inc.’s Shyam Sankar and other investors are putting $130 million into Valar Atomics, a nuclear ...

President Trump and one of his top cabinet officials are sending mixed messages on how the U.S. government is handling the most destructive weapons in the world. By David E. Sanger and Zolan ...