Science ❯ Astronomy ❯ Solar Phenomena ❯ Solar Flares

Coronal Mass Ejections

Late CME Arrival Lowers Aurora Forecast to G1–G2 Tonight

NOAA now expects a moderate geomagnetic storm due to the slower‑than‑forecast impact.

NOAA Issues G2 Geomagnetic Storm Watch as March 16 CME Arrives, Expanding Aurora Potential

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

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