A thick layer of slippery clay on the ocean floor may have formed the weak spot that enabled a magnitude 9.1 quake to make such a devastating tsunami.

TOKYO -- Tokyo Electric Power Company (TEPCO) has resumed power generation and transmission to the grid from its Kashiwazaki-Kariwa nuclear plant in Niigata prefecture, central Japan.

The drilling expedition, conducted aboard the research vessel Chikyu, set a Guinness World Record for the deepest scientific ocean drilling ever achieved. Core samples revealed a roughly ...

Japan has restarted a reactor at the Kashiwazaki-Kariwa plant after a 14-year shutdown, marking a pivotal shift back toward nuclear power to strengthen energy security, curb fossil fuel imports, and ...

Japan's Tepco has restarted the Kashiwazaki-Kariwa unit 6 reactor, marking its first nuclear restart since the Fukushima ...

The world's biggest nuclear power plant is again operating, after an earlier attempt to bring the facility back online was ...

TOKYO – Japan switched on the world’s biggest nuclear power plant again on Monday, its operator said, after an earlier ...

(FILES) This photo taken on July 16, 2007 shows an aerial view of Tokyo Electric Power Company Kashiwazaki-Kariwa Nuclear Power Plant in Kashiwazaki City, Niigata Prefecture. The world's biggest ...

The restart of the world's largest nuclear power plant was suspended in Japan on Thursday, with the operator saying it does not know when the problem would be solved. The Kashiwazaki-Kariwa plant in ...

The world's biggest nuclear power plant is set to restart on January 21, 2026, for the first time since the 2011 Fukushima disaster The reactor containment vessel of Unit 7 at the Kashiwazaki-Kariwa ...

The world's biggest nuclear power plant was restarted Wednesday for the first time since the 2011 Fukushima disaster, its Japanese operator said, despite persistent safety concerns among residents.