Radiation concerns are escalating, causing medical risks to evacuees in Japan. Meanwhile milk is still safe to drink in the United States.
An eco-friendly method could extract millions of barrels of oil and tar trapped in sand.
In a disastrous world, life-detecting robots are gaining popularity.
A wheeled and snake-like robot are en route to Sendai.
Japanese engineers continue work to avoid meltdown at two nuclear power stations.
Police report multiple fatalities in a city still recovering from a 7.0 magnitude earthquake in Sept. 2010.
Almost 13,000 people are living in makeshift camps after their homes were wiped out in the killer wave.
The miners who have been trapped for 10 weeks deep underground are being brought up one by one in a special steel cage.
Rapid progress is expected after a 622-meter shaft is drilled into the miners' emergency shelter.
Nine years after the attacks of 9/11, the psyches of people who were even distant from the events, show permanent changes.