Japanese nuclear regulators said they raised the rating from 5 to 7 -- the highest level on an international scale of nuclear accidents.
Making the site safe and removing the ruined equipment is going to be a messy ordeal that could take decades and cost hundreds of millions of dollars.
Sharp Corp. has suspended domestic production of large-sized LCD panels because of a shortfall of industrial gas after a massive earthquake and tsunami.
Most Americans doubt the U.S. government is prepared to respond to a nuclear emergency like the one in Japan, a new Associated Press-GfK poll shows.
Automaker will resume production at all plants in Japan at half capacity from April 18 to 27 after the earthquake and tsunami forced it to halt manufacturing.
Samples of milk, air and rainwater in New Jersey show no sign of elevated radiation from the Japan nuclear disaster, the state's top environmental official said.
Worldwide calls to curb nuclear power amid Japan's plant crisis could be bad news for the fight against global warming, activists say.
Workers stopped a highly radioactive leak off Japan's flooded nuclear complex, and engineers prepared an injection of nitrogen to deter any new hydrogen explosions.
Honda Cars Philippines Inc. says it is reducing its auto production by half because of difficulties in getting spare parts from earthquake-stricken Japan.
New levels coupled with reports that radiation was building up in fish led the government to create an acceptable radiation standard for fish for the first time.
A Toyota Motor Corp. spokesman says it's inevitable that the company will have to shut down its North American factories due to shortages of parts from Japan.
Cars made by Japanese manufacturers will be in short supply at showrooms because of last month's earthquake and tsunami, AutoNation CEO says.
Environmental group said hundreds of thousands of Ukrainians are still eating food contaminated by radiation a quarter-century after the blast.
Workers used a milky bathwater dye as they frantically tried to trace the path of radioactive water seeping into the ocean from Japan's tsunami-damaged nuclear plant.
Japan's car sales plunged nearly 40 percent in March as consumer confidence took a beating from the tsunami and nuclear disaster.
Automakers say they will resume limited production at several Japanese factories in early April, but full production depends on the flow of parts.
Company expects to restart some production in April and ramp up to full production in July; the plant should be back to full shipping capability in September.
Automaker said wrecked engine plant in Japan won't return to operations until June and it will take 'some time' before production runs at full capacity.
Japan's government vowed to overhaul nuclear safety standards once its reactor complex is under control, admitting that its safeguards were insufficient.
Automaker wants U.S. car dealers to stop ordering more than 200 replacement parts made in Japan because it's worried about running out of them.
Subaru of America is slowing production at its Lafayette plant because of a temporary auto parts shortage caused by Japan's devastating earthquake and tsunami.
The risk of a blackout leading to core damage, while extremely remote, exists at all U.S. nuclear power plants, and some are more susceptible than others.
Workers discovered new pools of radioactive water leaking from Japan's crippled nuclear complex as crews struggled to bring the plant back under control.
Halfway around the globe from Japan, engineers building a cutting-edge nuclear reactor along Finland's shores insist the same crisis couldn't happen here.