Science ❯Astronomy ❯Solar Activity

Auroras

Northern Lights Geomagnetic Storms Coronal Mass Ejections Widespread Auroras AR 13664 / 13697 Aurora Borealis Polarlichter Visibility of Auroras Geomagnetic Phenomena

G4 Geomagnetic Storm Could Illuminate German Skies on June 1

Forecasters predict clear conditions across northwest to central Germany; most southern through eastern regions remain overcast.

Geomagnetic Storm Sparks Widespread Aurora Displays Across Northern Hemisphere

Valentine’s Day Northern Lights Expected Across Parts of the U.S.

Sunspot AR3664 Returns, Potential for More Powerful Solar Storms