A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one ...

The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what ...

The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what ...

President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large stockpile of highly enriched uranium. Here's what to know.

The U.S. military made history on Feb 15 by airlifting a nuclear reactor for the first time. Here's why they did that and ...

In 1963, President John F. Kennedy kicked off a decades-long effort to reduce the risk of nuclear war, when he signed the ...

Micro nuclear reactors are being seen as a way to get critical bases off the grid, but they could also have a major impact on civilian energy production.

March Air Reserve Base was used to transport unfueled nuclear reactors from Southern California to northern Utah in the first ...

Serbian Energy Minister Dubravka Đedović Handanović says that the country - already cooperating with France's EDF on the ...

President Trump said he is considering a limited military strike on Iran to pressure its leaders into a new nuclear deal. His ...