August 20, 2013 The Tokyo Electric Power Company, which owns the plant, says about 80,000 gallons of contaminated water have spewed from a metal holding tank. The leak is reportedly the largest of several at the tsunami-damaged facility.
June 15, 2011 Those parents say the government should be evacuating everyone 18 and under and any woman who is pregnant, not waiting three more months and then only issuing badges that will be checked one a month to determine exposure.
April 12, 2011 Japan boosts nuclear crisis level; Ivory Coast leader Laurent Gbagbo under arrest; France and Britain want more NATO action in Libya; Wisconsin tornadoes; Oregon legislature plays joke
March 28, 2011 This week Japan's health ministry released a list of 99 different food products that had tested positive for radioactive iodine-131 and cesium-137 in Tokyo and five other prefectures. Some of those foods might surprise you.
March 25, 2011 Japan Prime Minister: nuclear situation is grave
March 25, 2011 Japan sees increase in radiation from damaged Fukushima plant
March 24, 2011 A leading radiation researcher in Japan says it will be tough to study health effects from the Fukushima accident in the population at large. The doses are likely to be small and very difficult to estimate.
March 24, 2011 The shadowy, grainy images bring home in a visceral way the challenges that workers at the Fukushima Dai-ichi plant face, including the very basic obstacle of working in the dark.
March 24, 2011 Amateurs armed with Geiger counters are taking radiation readings in Japan and sending their results to a website for mapping. Radiation experts caution the results, while intriguing, are prone to error.
March 23, 2011 Live blog Japan quake, tsunami and nuclear developments
March 21, 2011 Reports of radiation-contaminated food in Japan have raised concerns. Here's a reality check: At the highest radioactivity levels detected so far, you'd have to drink an 8-ounce glass every day for 160 years to raise your lifetime risk of getting cancer by 4 percent.
March 21, 2011 The State Department has authorized the distribution of potassium iodide to U.S. government staff in Japan, "out of an abundance of caution." But it's a precautionary step, and nobody should take the pills unless told to do so by U.S. officials.
March 21, 2011 Live blog on Japan disaster developments
March 18, 2011 The first ground-level radiation measurements from within a 37-mile radius of the disabled Fukushima Dai-ichi power plant do not reveal any immediate health threat — and perhaps not even any health problems measurable decades from now, if levels stay where they are.