Science ❯ Astronomy ❯ Solar Activity ❯ Solar Flares

Coronal Mass Ejections

Northern Lights Possible Across Northern U.S. This Weekend, With Best Odds Friday Night

NOAA pegs Friday night as the peak window with Kp near four.

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

Blue Origin’s New Glenn Launches NASA Mars Probes and Lands Booster at Sea

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

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

Strong Geomagnetic Storm Triggers Widespread Aurora With More Possible Tonight

Geomagnetic Storm Hits G3 as Earth‑Directed CME Approaches

G3 Solar Storm Ignites Auroras in U.S. and U.K. as Forecasters Flag More Chances This Week

NASA Study Finds Decades-Long Solar Decline Reversed, Raising Space-Weather Risks

NOAA Issues G2 Geomagnetic Storm Watch as AR 4168 CME Nears Earth