The operators of Calvert Cliffs nuclear power plant in southern Maryland shut down one of its two reactors Thursday after a control rod assembly malfunctioned during testing, federal safety regulators ...

In this historic photo from the U.S. space agency, control rods for Plum Brook's Mock-Up Reactor, which entered the core from above, are shown. In the Plum Brook reactor, the control rods entered from ...

Minneapolis-based Xcel Energy will replace four control rod blades at its Monticello Nuclear Power Plant next month after a major nuclear industry manufacturer reported a potential “substantial safety ...

— The Salem 2 nuclear reactor returned to service this morning after being shut down since Friday because of issues with one of the control rods, officials said. Salem Unit 2 came back online and ...

Tokyo Electric Power Company Holdings Inc. restarted a reactor at its seven-unit nuclear power plant in Niigata Prefecture, ...

LOWER ALLOWAYS CREEK TWP. — Salem Unit 2 was manually taken offline by control room operators at 10:01 a.m. Friday, according to Joe Delmar, spokesman for PSEG Nuclear, after an issue with one of the ...

Tokyo Electric Power Company (Tepco) reported that a control rod cannot be removed from the reactor of unit 7 of its Kashiwazaki Kariwa nuclear power plant. The unit shut down automatically when an ...

BUCHANAN, N.Y. (CBSNewYork/AP)-- One of the Indian Point nuclear power plant's reactors was shut down Saturday after several control rods lost power, the plant owner said, marking the latest in a ...

People living near the Three Mile Island nuclear plant may have heard a loud release of steam at 1 a.m. Wednesday as the plant was shut down after an electrical issue developed in the reactor. The ...