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."

"President Barack Obama is pushing a key foreign policy goal, a nuclear arms treaty with Russia, closer to completion."

"Westinghouse appears to have won an important first round in a battle with critics over the radical design of the containment system for its new AP1000 reactor. A panel of senior safety advisers has told the Nuclear Regulatory Commission that with a few additional procedures and analyses, the design should be approved."

"A federal appeals court ruled today that the Department of Energy does not have to remediate two sites on Navajo Nation land that are adjacent to an old uranium mine."

"A Russian company that took control of uranium mines in Wyoming is barred from exporting produced material and executives at U.S.-based subsidiaries will remain in charge, according to a Nuclear Regulatory Commission report."

"Every few years the defenses of the nation’s nuclear plants are tested. What’s scary is how often they fail."

"A Texas commission Tuesday set in motion the importation of low-level radioactive-waste from 36 other states, a move long sought by the nuclear-energy industry and long opposed by environmentalists."

Proposals for re-opening uranium mills and mines in Colorado are re-igniting bitter old debates -- and may foretell how divisive a national debate over restarting nuclear energy development may prove to be.