Japanese researchers have developed a new method for predicting large solar flares, which may lead to ... the National Astronomical Observatory of Japan published its findings in the journal ...

But behind the scenes, top officials in Japan and other countries are increasingly concerned about solar flares. Many governments are ramping up measures to head off potential disaster.

an X-class solar flare, causing shortwave radio blackouts across Australia, Japan and much of China. The flare peaked at 10:22 p.m. EDT (0222 GMT) and ended shortly after at 10:27 p.m. EDT (0227 GMT).

Skywatchers in Hokkaido enjoyed the rare treat of seeing the Northern Lights following a series of large solar flares that made ... In low-latitude regions such as Japan, the lower part of the ...