For centuries, residents in central Japan have chronicled a mysterious natural phenomenon in winter. They see its ...

An curved arrow pointing right. Engineers at Japan's Fukushima nuclear power plant have designed an "ice wall" to stop the spread of radiation into the groundwater. Produced by Maya Dangerfield.

The ice wall was supposed to reduce the volume of contaminated water. In October last year, TEPCO said the soil temperature was higher than 0 degrees in an area that should have been frozen.

YOKOHAMA--Japan’s first Arctic research vessel now under construction here will be capable of smashing through sea ice up to 1.2 meters thick to reach the northern polar region to study sea ...