"Tokyo Electric Power Co. detected signs of nuclear fission at its crippled Fukushima atomic power plant, raising the risk of increased radiation emissions. No increase in radiation was found at the site and the situation is under control, officials said."

"Today, the United States has begun marching millions of airline passengers through the X-ray body scanners, parting ways with countries in Europe and elsewhere that have concluded that such widespread use of even low-level radiation poses an unacceptable health risk. The government is rolling out the X-ray scanners despite having a safer alternative that the Transportation Security Administration says is also highly effective."

"IRVINE, Calif. -- A non-radioactive ammonia leak at a Southern California nuclear plant prompted an emergency alert and precautionary evacuation of nearby workers before it was contained Tuesday, authorities said.

Workers stopped the leak by 5 p.m., about two hours after it was detected in a storage tank in the water purification system of Unit 3 at San Onofre Nuclear Generating Station, said Todd Adler, the plant's engineering manager.

"Belgium's political parties have reached a conditional agreement to shut down the country's two remaining nuclear power stations, owned by GDF Suez unit Electrabel, a government spokeswoman said Monday."

"KORIYAMA, Japan—Nearly eight months after the Fukushima Daiichi nuclear accident scattered radioactive material over surrounding communities, Japan still is struggling to figure out how to clean up the mess, exacerbating fears about health risks and fanning mistrust of the government.

"The disaster at the Fukushima Daiichi nuclear plant in March released far more radiation than the Japanese government has claimed. So concludes a study that combines radioactivity data from across the globe to estimate the scale and fate of emissions from the shattered plant."

"New uranium mining claims on 1 million acres around the Grand Canyon will be blocked for 20 years under a decision the Bureau of Land Management announced Wednesday."

"The Fukushima Plate is tableware with its own built-in safety mechanism. Underneath the plate is a radiation meter that logs whether your sushi has absorbed too much seaborne radiation from the Fukushima disaster earlier this year."

"TIANJIN, China -- China and Taiwan have agreed to cooperate on nuclear safety in the aftermath of Japan's nuclear crisis."

"Republican lawmakers from South Carolina and Washington state, which hold tons of nuclear waste, are none too pleased that leading candidates for the GOP presidential nomination are backing President Barack Obama's decision to shutter a central dump designed to store their waste."

"When Obama cut out funding for the long-planned Yucca Mountain waste repository near Las Vegas in 2009, Republicans accused him of playing politics in a bid to help Senate Majority Leader Harry Reid in his tough Nevada re-election race.