Science ❯ Astronomy

Solar Phenomena

Solar Flares Coronal Mass Ejections Solar Storms Sunspots Solar Wind Auroras Solar Eclipse Geomagnetic Storms Solar Eclipses Coronal Holes

Strong Geomagnetic Storm Triggers Widespread Aurora With More Possible Tonight

Forecasters attribute the display to multiple recent solar eruptions, with peak strength still uncertain.

Geomagnetic Storm Hits G3 as Earth‑Directed CME Approaches

NASA Image Shows ‘Jack‑O’-Lantern’ Sun as Earth Faces Minor Geomagnetic Storms

ESA Stress-Test Simulates Carrington-Scale Solar Storm Ahead of Sentinel-1D Launch

NOAA: G1 Geomagnetic Storm Could Bring Northern Lights to 12 U.S. States

M2.0 Solar Flare Recorded on Oct. 9 as Scientists Keep Watch

Four-Day Geomagnetic Storm Ends as Forecasts Turn Quiet

Geomagnetic Storm Enters Third Day as Solar Wind Blasts Earth

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

SpaceX Launches Three Space-Weather Missions to Sun–Earth L1

NASA Issues Global Alert for Potential Severe Solar Storms in Coming Days

NASA Study Finds Sun’s Long-Term Activity Rebounded, Raising Space-Weather Risks

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

Autumnal Equinox Arrives Sept. 22 at 18:19 UTC, Marking Start of Astronomical Fall

Partial Solar Eclipse on Sept. 21 Will Favor Southern Hemisphere

Andromeda Galaxy Team Wins 2025 Astronomy Photographer of the Year as London Exhibition Opens

Perseverance Captures Second Martian Aurora as Team Unveils Forecasting Strategy

‘Cannibal’ Solar Storm Pushes Auroras to Unusual Latitudes Over Three Nights

NASA and NOAA Warn of Strong Solar Storm as CME Reaches Earth

Cannibal CME Triggers G2 Geomagnetic Storm as Auroras Spill South