New questions are being raised about what was mixed with the waste that caused a radiation release from the government's underground nuclear waste dump in southeastern New Mexico.
Nuclear power plants across the United States are building or expanding storage facilities to hold their spent fuel — radioactive waste that by now was supposed to be on its way to a national dump.
GE-Hitachi is closing a western Pennsylvania plant that makes storage containers for spent nuclear fuel rods, idling 134 employees who still work there.
A federal panel has lifted a temporary hold on the operating license for a proposed uranium mine in western South Dakota.
The investigation into a February radiation release from the federal government's underground nuclear waste dump in southeastern New Mexico has turned to a seemingly unusual suspect: cat litter.
New Mexico officials say more than 500 barrels of waste from Los Alamos National Laboratory was packed with the kitty litter suspected of causing a chemical reaction and radiation release at the nation's underground nuclear waste dump.
Los Alamos National Laboratory packed 57 barrels of nuclear waste with a type of kitty litter believed to have caused a radiation leak at the federal government's troubled nuclear waste dump, posing a potentially "imminent" and "substantial" threat to public health and the environment.
For the second time this month, Nebraska's two biggest utilities will meet with regulators to discuss flooding hazards at their two nuclear power plants.
A company proposing a uranium mine near Edgemont needs better studies to ensure that its operations won't hurt cultural and historic sites in the Black Hills, an attorney representing the Oglala Sioux Tribe said Tuesday.
Exelon Corp. is releasing its emergency plans to people who live in the area surrounding a northern Illinois nuclear plant.
Experts on Friday expressed skepticism about a plan to build a costly underground frozen wall at Japan's crippled nuclear plant, a development that could delay the start of construction on the project.
Crews searching for the source of a radiation release from the government's underground nuclear waste dump in southeastern New Mexico have found damaged bags of minerals in the mine, but officials say they have yet to identify what caused the radiation leak.
The Japanese government is pushing ahead with efforts to decontaminate and reopen as much of a 20-kilometer (12-mile) no-go zone around the plant as it can. Authorities declared a tiny corner of the zone safe for living as of April 1, and hope to lift evacuation orders in more areas in the coming months and years.
The tiny Pacific nation of the Marshall Islands is taking on the United States and the world's eight other nuclear-armed nations with an unprecedented lawsuit demanding that they meet their obligations toward disarmament and accusing them of "flagrant violations" of international law.
Poor management, an eroding safety culture, ineffective maintenance and a lack of proper oversight are being blamed for a radiation release that contaminated 21 workers and shuttered the federal government's nuclear waste dump two months ago in southeastern New Mexico.
Federal regulators have granted permission to Connecticut's nuclear power plant to use warmer sea water for cooling at one of its two stations in Waterford.
State health officials have ordered a facility in western North Dakota that handles radioactive material to cease operations immediately.
Two months after radiation leaked from the federal government's half-mile deep nuclear waste dump in southeastern New Mexico, officials said Thursday that crews have found contamination underground in the area where waste was most recently being stored.
Small underground nuclear power plants that could be cheaper to build than their behemoth counterparts may herald the future for an energy industry under intense scrutiny since the Fukushima disaster, according to the incoming head of the Nuclear Energy Agency.
Water samples from three reservoirs near the federal government's underground nuclear waste dump in southeastern New Mexico show no signs of contamination after a radiation leak at the plant.
Nearly 80 U.S. sailors are seeking $1 billion from the Tokyo utility that operates the Fukushima Dai-ichi nuclear power plant, alleging the company lied about the high level of radiation in the area where they were carrying out a humanitarian mission after a tsunami that touched off a nuclear crisis three years ago.
Crews investigating a radiation leak at the federal government's underground nuclear waste dump in southeastern New Mexico have turned up no contamination during a second trip farther into the half-mile-deep repository.
Crews investigating a radiation leak from the federal government's underground nuclear waste dump in southeastern New Mexico hope to make a second trip into the half-mile-deep repository Friday.
The operator of a northeast Ohio nuclear power plant says a refrigerant leaked from equipment in a building on the site, prompting air monitoring for the chemical.