Science ❯ Astronomy ❯ Solar Activity ❯ Solar Flares

X-Class Flares

Severe Solar Storm Triggers Widespread Auroras as NOAA Confirms G4 Conditions

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

NOAA Issues G2 Geomagnetic Storm Watch as Giant Sunspot Cluster Faces Earth

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

Geomagnetic Storm Hits G3 as Earth‑Directed CME Approaches