Idaho National Laboratory researchers have built the first microreactor control system in decades, replacing the traditional ...

For decades, light water reactors have used control rods to regulate the fission reaction that powers a nuclear plant. The rods move vertically in and out of the core and are made of mat. . .

Engineers at the Idaho National Laboratory (INL) have reached a critical milestone in 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 ...

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 ...

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 ...

A nuclear reactor on Korea's eastern coast was temporarily shut down Monday due to a problem in one of its control rods, operators said. The reactor unit 1 at Hanwool Nuclear Power Plant in Uljin, 330 ...

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 ...

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 ...