New study reveals a hidden nuclear history

On the week of the 26th anniversary of the Chernobyl disaster, the first-ever study of nuclear engineers has shown how they were shaped by secrecy and shifting goals. First defined by the Second World War’s Manhattan ...

Japan's Fukushima reactor may be reheating: operator

Temperature readings at one of the crippled Fukushima nuclear reactors have risen above Japan's stringent new safety standard but there was no immediate danger, its operator said Sunday.

Thousands protest against nuclear power in Japan

About 2,000 demonstrators hit the streets of Yokohama on Saturday calling for an end to nuclear energy in Japan after the March 11 disaster that sparked the worst atomic crisis since Chernobyl.

Radioactive water leaked at second Japan plant

A Japanese nuclear plant leaked 1.8 tonnes of radioactive water from its cooling system, the government said, heightening safety worries as an atomic crisis continues at another plant.

Fukushima radioactive water 'leaked to Pacific

Highly radioactive waste water from the crippled Fukushima nuclear plant has leaked to the Pacific, its operator said Tuesday, promising to prevent similar incidents.

Swiss nuclear shutdown to cost $22.5bn: study

Shutting down Switzerland's five nuclear power stations will cost about 20.7 billion Swiss francs (16.8 billion euros, $22.5 billion) and take about 20 years, Swiss authorities said on Thursday.

Japan opens Fukushima reactors to outside eyes

Japan took a group of journalists inside its crippled nuclear plant for the first time on Saturday, stepping up efforts to prove to the world it is on top of the disaster.

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