Science ❯ Astronomy ❯ Solar Phenomena ❯ Solar Storms

Coronal Mass Ejections

Severe Solar Storm Triggers Widespread Auroras as NOAA Confirms G4 Conditions

Forecasters expect conditions to ease after the Jan. 19–20 peak.

Starlink Says Chinese Payload Passed 200 Meters From Its Satellite, Spurring Calls for Data Sharing

G3 Geomagnetic Storm Possible Today as Full-Halo CME Reaches Earth

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

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