Updated 12:10 p.m. ET | Japan's meteorological society has lifted its tsunami warning, an hour and a half after the quake hit at 11:30 p.m. local time, the Associated Press reports. Updated 12 p.m. ET | The U.S. Geological Society…

Apr 04

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Staring at the Sun

As the sun enters its stormy season, and as GPS systems and electricity networks become increasingly vulnerable to solar eruptions, NASA scientists are working to better understand the mysteries of space weather.