"A second explosion rocked a troubled nuclear power plant Monday, blowing the roof off a containment building but not harming the reactor, Japanese nuclear officials announced on public television. The explosion underscores the difficulties Japanese authorities are having in bringing several stricken reactors under control three days after a massive earthquake and a tsunami hit Japan’s northeast coast and shut down the electricity that runs the crucial cooling systems for reactors.

An explosion at a nuclear power plant in northern Japan on Saturday blew the roof off one building, brought down walls and caused a radiation leak of unspecified proportions, Japanese officials said, after Friday’s huge earthquake caused critical failures in the plant’s cooling system."

"The electromagnetic radiation emitted by a cellular phone's antenna appears to activate nearby regions of the brain to unusually high levels, according to a study published Tuesday in the Journal of the American Medical Assn. that is likely to spark new concerns about the health effects of wireless devices."

"Americans remain largely in the dark about their true exposure to a number of radioactive contaminants that could be in their drinking water. Surprisingly, it’s because of intentional decisions by the Environmental Protection Agency, the federal government office that is supposed to protect the nation from contaminated water."

"The Nuclear Regulatory Commission released draft staff reports Thursday on the proposed Yucca Mountain repository but omitted any conclusions about whether the site would be safe for storing radioactive waste."

"A drawn-out fight over the guidelines for thyroid patients who are given radioactive drugs has taken a new turn, with a decision by the Nuclear Regulatory Commission that it is not a good idea for them to go to hotels."

"The attorneys general of New York, Connecticut and Vermont sued the Nuclear Regulatory Commission on Tuesday, challenging a new commission policy stating that nuclear waste can be safely stored at a nuclear power plant for 60 years after a reactor goes out of service."

The cleanup of radioactive contamination at the massive Paducah Gaseous Diffusion Plant in Kentucky faces a major delay, even as contaminated groundwater continues to escape the 5.5-square mile property, likely reaching the Ohio River. One problem: money.

"Bruce Power has been given the go-ahead to transport 16 decommissioned steam generators from southwestern Ontario to Sweden for recycling."