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Northern Lights

Auroras Sweep the U.S. After G4 Storm as Forecasters Watch for More Activity Into Thursday

Forecasts point to lingering geomagnetic activity into Thursday with continued risk to satellites, GPS and power grids.

Severe Solar Storm Ignites Auroras as Forecasters Track Third, Stronger CME

Aurora Chances Persist Tonight Across Northern U.S. After Weekend G3 Storm