"President Obama’s hopes of ratifying a new arms control treaty with Russia by the end of the year appeared to come undone on Tuesday as the chief Senate Republican negotiator moved to block a vote on the pact, one of the White House’s top foreign policy goals, in the lame-duck session of Congress."

"As President Obama pushes for ratification of his signature nuclear treaty with Russia in coming days, all eyes are on one Republican."

"Hundreds of water providers around the Gulf Coast region are providing their customers with drinking water that contains radioactive contaminants that raise health risks, according to state lab results and public health scientists."

"Technicians at the Vermont Yankee nuclear plant will begin work Monday morning to fix a pipe that leaked radioactive water and forced the plant to shut down."

"Energy Northwest's nuclear power plant near Richland, Wash., has been rated as one of two nuclear plants in the nation that are in greatest need of operational and human performance improvement."

"Opponents of a Nevada nuclear waste dump thought they'd finally managed to kill the Yucca Mountain project. Then came Sharron Angle."

"For close to four decades, residents of Tallevast in southwest Florida lived side by side with the American Beryllium Company, which employed local men and women to manufacture parts for nuclear weapons. Each day, workers inhaled beryllium dust and brought it home on their clothing."

"The China National Offshore Oil Corp. will pay Chesapeake Energy $2.2 billion for a one-third interest in a South Texas oil and natural gas shale project and will pay billions of dollars more for its share of development costs over the next several years."

"A shipment of bomb-grade uranium arrived at a secure facility in Russia Monday, sent from a research reactor in Poland as part of a race to secure dangerous radioactive material around the world. There was no way to mistake the shipment for something innocuous like Polish sausage — the trucks were escorted by heavily armed police officers and plastered with large radioactive signs."

Plans for one of the first new nuclear power reactors in decades -- a third unit at Calvert Cliffs, Maryland, were put on hold by Constellation Energy. The Energy Department said the project is so risky that Constellation must pay high fees if it wants the U.S. taxpayers to guarantee construction loans. But those subsidies were not high enough for Constellation. The demise of its poster child raised questions about the so-called "nuclear renaissance."