Science ❯ Astronomy ❯ Solar Phenomena ❯ Solar Flares

Coronal Mass Ejections

NOAA Warns of Strong Geomagnetic Storm Tonight as Auroras May Reach Unusually Far South

An Earth-directed CME from an X1.9 solar flare prompts NOAA to urge real-time monitoring for intensity and timing.

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

Aurora Seen Across UK as Geomagnetic Storm Watch Extends Into Thursday

Astronomers Confirm First Coronal Mass Ejection From a Star Beyond the Sun

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

NOAA Issues Strong Geomagnetic Storm Watches as CMEs Near Earth, Raising Aurora Odds

G2 Geomagnetic Storm Watch Expands Northern Lights Visibility to 15 States

ESA’s Proba-3 Creates First Artificial Solar Eclipse in Space

Geomagnetic Storm Brings Northern Lights as Far South as Alabama, Continues into June 2

X2.7 Solar Flare Prompts Global Disruptions and Aurora Forecasts