The US Navy’s largest-ever nuclear submarine, the USS District of Columbia (SSBN-826), moves closer to launch with final ...

A US nuclear reactor has switched from Regular to Premium fuel with Southern Nuclear inserting four Lead Test Assemblies ...

What discoveries led to the use of nuclear power? When did the first plant come online? Test your knowledge with this WSJ ...

Cold hydrostatic testing has been completed at unit 3 of China’s Changjiang NPP in Hainan province. Huaneng Hainan Changjiang ...

The Tsar Bomba's explosion was unparalleled in power. With a 50 megaton capacity, this nuclear test was estimated to be 3,800 times the strength of the Hiroshima atomic bomb. And although short video ...

The United States flew long-range B-1B bombers in a show of force against North Korea on Tuesday, days after the powerful sister of North Korean leader Kim Jong Un vowed ...

Imagine the power of the bomb dropped on Hiroshima in 1945 and then multiply it by 670,000 times. Terrifying doesn't really ...

For the first time in U.S. history, a commercial nuclear reactor tests fuel enriched above the traditional 5 per cent ...

The higher enriched fuel could help extend operation cycles from 18 to 24 months, according to the DOE's Office of Nuclear ...

Trump’s pick to lead the U.S. nuclear weapons agency faced Senate questions over workforce cuts, morale issues and the future of nuclear weapons testing.

U.S. and Iranian officials are using similar language to describe their primary objective for Saturday's high-stakes nuclear ...

Tensions are mounting between Israel and Turkey, but the U.S. president thinks he can mediate.