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Solar Physics

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Helioseismology Shows Sun’s Magnetic Activity Is Becoming Confined to a Shallow Near‑Surface Layer

This shift could change how scientists model the solar dynamo, complicating efforts to forecast space weather.

Solar Radio Burst Lasts 19 Days, Longest on Record

Medieval Records and Tree Rings Pinpoint a 1200–1201 Solar Proton Event

G2 Geomagnetic Storm Alert as CMEs Approach Earth, Aurora Possible Over Northern Germany Tonight

Parker Solar Probe Completes Record-Close 27th Pass of the Sun

Helioseismology Study Finds Shifting Solar Interior Across Quiet Cycle Minima

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

NASA Confirms Five X-Class Solar Flares From AR4366 in Three Days

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

Fast Solar Wind From Small Coronal Hole Reaches Earth, Weak Storms Possible

Solar Orbiter Captures 'Magnetic Avalanche' Behind Major Solar Flare

Solar Orbiter Study Finds Large Solar Flare Triggered by 'Magnetic Avalanche'

Solar Orbiter Pinpoints Avalanche Reconnection as Trigger of Major 2024 Solar Flare

Strongest Geomagnetic Storm Since 2003 Fades After Lighting Skies Worldwide

ESA’s Proba-3 Unveils Eclipse-Quality Video of Three Solar Prominence Eruptions

Japan Records Geomagnetic Storm Linked to X‑Class Solar Flare

Series of Moderate Quakes Hit Pacific Rim as M5.8 Strikes Off Kamchatka

Scientists Forecast Elevated Geomagnetic Conditions This Week, No Strong Storms Expected

Overnight Geomagnetic Storm Pushes Auroras to 50° North

Record 94-Day Watch of Solar Region That Drove 2024’s Fiercest Storms