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 ...

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

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

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.

Nuclear energy hasn’t just been making a comeback in recent months. According to many experts, including US Secretary of ...

The National Nuclear Security Administration said development for a bomb 24 times more powerful than the one dropped on Hiroshima is ahead of schedule.

The Ministry of Defence has declined to confirm how many personnel are currently assigned to the internal review of historic ...

The operator of the crippled Fukushima Daiichi nuclear power plant has begun a second test to retrieve a small amount of nuclear fuel debris from one of the reactors.

Tokyo Electric Power Company begins trial procedure at No. 2 reactor to retrieve small amount of nuclear fuel debris ...

Scripps News takes you inside a California lab that is ensuring the effectiveness of the United States' nuclear weapons - without setting them off.