"Almost every plan for limiting carbon dioxide output includes keeping old nuclear plants running. But as those plants age, they turn up new problems. The latest is at a plant owned by Progress Energy in Crystal River, Fla., where a gap was found inside the thick concrete of a containment dome."

"Could nuclear power plants last as long as the Hoover Dam? Increasingly dependable and emitting few greenhouse gases, the U.S. fleet of nuclear power plants will likely run for another 50 or even 70 years before it is retired -- long past the 40-year life span planned decades ago -- according to industry executives, regulators and scientists."

"The awards of $18.5 billion in federal loan guarantees for new nuclear plant projects remain held up by an ongoing dispute within the Obama administration over the financial risk the new reactors pose for the government and taxpayers, according to industry and government officials."

"A House subcommittee endorsed Tuesday a bill to ban importing foreign, low-level radioactive waste — which would block an EnergySolutions proposal to import 20,000 tons of it from Italy, process it in Tennessee and dump it in Utah's western desert."

"VIENNA -- A draft agreement on providing Iran with fuel for a civilian nuclear research facility that could defuse tension over Iran's nuclear program has emerged from nearly three days of talks supported by the United Nations International Atomic Energy Agency, IAEA."

"Why did the White House pick a cheerleader for nuclear energy to oversee the industry?"

"Nuclear industry operators are pushing to extend the life of their plants to 60 or even 80 years. Running plants longer is one way to recoup their investment but it has safety implications."