Science ❯ Astronomy ❯ Auroras ❯ Geomagnetic Storms

Solar Activity

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

Geomagnetic Storm Fuels Northern Lights Across U.S.; Tuesday’s Visibility Dims Outside Alaska