Science ❯ Astronomy ❯ Solar Phenomena

Solar Flares

Coronal Mass Ejections Geomagnetic Storms Impact on Earth X-Class Flares Classification of Solar Flares Auroras Effects on Earth Aurora Borealis X-class Solar Flares Northern Lights

Researchers Propose 'StormWall' to Weaken Solar Superstorms

If developed and approved, the system would seed Earth’s dayside magnetosphere with ionized material to blunt incoming solar eruptions.

X1.1 Solar Flare Causes Radio Blackouts as CME Prompts G2 Geomagnetic Storm Watch

NOAA Issues G3 Geomagnetic Storm Watch After Three Solar Eruptions

Three Solar Eruptions Including X1.0 Flare May Combine Before Reaching Earth

Possible Glancing Solar Storm Today After M5.8 Flare Raises UK Aurora Odds

Two X-Class Solar Flares Hours Apart Trigger Dayside Radio Blackouts

OIST Team Dates Giant 1200–1201 Solar Proton Event Using Diary and Tree Rings

Late CME Arrival Lowers Aurora Forecast to G1–G2 Tonight

NOAA Issues Geomagnetic Storm Watch as Aurora Chances Rise Near U.S.–Canada Border

New X4.2 Solar Flare Erupts From AR4366 as Earlier CME Nears Earth

Sunspot AR4366 Hurls X-Class Flares as CME Is Forecast to Brush Earth Thursday

Japan Records Geomagnetic Storm Linked to X‑Class Solar Flare

Overnight Geomagnetic Storm Pushes Auroras to 50° North

Earth-Directed CME From Dec. 31 M7.1 Flare Forecast To Bring Geomagnetic Storm Tonight

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

Sun Erupts With X1.9 Flare as Largest 2025 Sunspot Complex Emerges

Sun Unleashes Three M-Class Flares as Activity Surges

Aurora Forecast Points to Minor Geomagnetic Storm and Northern U.S. Views Tonight

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

Kamchatka Logs Nine Aftershocks Up to M5.8 as Pacific Rim Sees Fresh Quakes