Skywatchers across the U.S. will have their chances to view the Northern Lights this week as a geomagnetic storm takes place.
The powerful flare from sunspot region AR4341 peaked at 1:09 p.m. EST (1809 GMT), according to NOAA's Space Weather ...
The National Oceanic and Atmospheric Administration is predicting a G4-level geomagnetic storm after a long-duration solar ...
The CME was launched during a powerful X-class solar flare on Jan. 18 and raced toward Earth at speeds of 620–870 miles per ...
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