All of Japan’s 54 commercial nuclear power plants were shut down after the Fukushima disaster for safety checks and upgrades. Onagawa No. 2 was the 13th of the 33 still useable reactors to restart.

All of Japan's 54 commercial nuclear power plants were shut down after the Fukushima disaster for safety checks and upgrades. Onagawa No. 2 was the 13th of the 33 still useable reactors to restart.

A robot that has spent months inside the ruins of a nuclear reactor at the tsunami-hit Fukushima ... develop necessary ...

A Japanese nuclear reactor that restarted last week for the first time in more than 13 years after it had survived a massive ...

Japanese utility Tokyo Electric Power Co. said it removed nuclear fuel debris left inside a reactor in a demonstration at its Fukushima power plant, 13 years after a meltdown.

A robot tasked with searching the wreckage inside Fukushima Daiichi's Unit 2 reactor has retrieved a sample of melted nuclear fuel.

TOKYO: Technicians tested the radiation level of debris from inside a damaged reactor at Japan's Fukushima plant ... one of the world's worst nuclear accidents. A trial removal of nuclear debris ...

With heater-related accidents typically spiking as temperatures drop, the National Institute of Technology and Evaluation (NITE) is urging households to inspect their heating devices ahead of winter.

A nuclear reactor in northeastern Japan was halted Monday for checks, the plant operator said, just days after it became the first to restart in the region since the 2011 earthquake and tsunami ...