Study could help improve nuclear waste repositories

(Phys.org) —Here's the question faced by a team of Sandia National Laboratories researchers: How fast will iodine-129 released from spent nuclear fuel move through a deep, clay-based geological repository?

Street View shows Japan nuclear evacuation zone

New explorable images from the Japanese coast devastated by an enormous tsunami have been posted online, allowing web users to see how the disaster changed the area.

Japan upgrades Fukushima leak to highest level in two years

Japan declared a radioactive water leak at the crippled Fukushima plant a level-three "serious incident" Wednesday, its highest warning in two years, as operators scrambled to seal a tank that has seeped 300 tonnes of toxic ...

Toxic puddles at Fukushima nuclear plant: report

Puddles with extremely high radiation levels have been found near water storage tanks at the crippled Fukushima nuclear plant, Japan's atomic regulator and operator said Monday, according to a report.

Fukushima nuclear clean-up to cost $58 bn

The clean-up after the Fukushima nuclear disaster could cost five times more than estimated, figures have revealed, as Tokyo Electric Power said on Wednesday that steam had been seen again in a reactor building.

Japan formally OKs new nuclear safety requirements (Update 2)

Japan's nuclear watchdog formally approved a set of new safety requirements for atomic power plants on Wednesday, paving the way for the reopening of facilities shut down since the Fukushima disaster in a move critics charged ...

Radiation leak at Japan lab; small impact expected

An atomic research lab in northern Japan has reported a radiation leak that may have affected about 50 people, though none were hospitalized and no impact was expected outside the facility, the lab's operator said Saturday.

Radioactive water 'may have leaked' from Fukushima

Radioactive water may have leaked into the ground from a tank at the Fukushima Daiichi nuclear power plant, the operator said on Saturday, the latest in a series of troubles at the crippled facility.

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