Science ❯ Astronomy ❯ Solar Physics

Solar Activity

Solar Flares Coronal Mass Ejections Coronal Holes Sunspots Solar Storms Magnetic Fields Kelvin-Helmholtz Instability Parker Solar Probe Solar Cycles Solar Eruptions

4 ARTICLES

22h ago

AI Detects Hidden Solar Active Regions About Nine Hours Before They Appear

A Transformer model finds faint subsurface signals in helioseismic and magnetic data, offering an earlier cue that could feed future space‑weather warnings.

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12 ARTICLES

last wk.

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

3 ARTICLES

5mo ago

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

11 ARTICLES

6mo ago

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

3 ARTICLES

6mo ago

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

10 ARTICLES

7mo ago

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

4 ARTICLES

7mo ago

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

3 ARTICLES

7mo ago

Overnight Geomagnetic Storm Pushes Auroras to 50° North

10 ARTICLES

7mo ago

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

7 ARTICLES

7mo ago

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

6 ARTICLES

7mo ago

Strongest Solar Flare Since Dec. 8 Erupts as Active Regions Rotate Into View

3 ARTICLES

7mo ago

2025 Logs 69 Magnetic-Storm Days, With Geomagnetic Disturbances at 20-Year Peak

4 ARTICLES

8mo ago

Parker Solar Probe Reveals CME Material Falling Back to the Sun as Craft Repeats Record-Close Pass

12 ARTICLES

8mo ago

Geomagnetic Storm Eases as Moderate Quakes Strike Far East Russia and Xinjiang

6 ARTICLES

8mo ago

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

6 ARTICLES

8mo ago

Sun Unleashes Three M-Class Flares as Activity Surges

Solar Activity

AI Detects Hidden Solar Active Regions About Nine Hours Before They Appear

DKIST Images Confirm Small Kelvin‑Helmholtz Vortices on the Sun

DKIST Captures Tiny Kelvin-Helmholtz Whirlpools on the Sun’s Surface

Study Finds Sun’s Magnetic Activity Moving Into Shallower Near‑Surface Layer

Solar Radio Burst Lasts 19 Days, Longest on Record

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

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

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

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

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Solar Activity

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

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

Strongest Solar Flare Since Dec. 8 Erupts as Active Regions Rotate Into View

2025 Logs 69 Magnetic-Storm Days, With Geomagnetic Disturbances at 20-Year Peak

Parker Solar Probe Reveals CME Material Falling Back to the Sun as Craft Repeats Record-Close Pass

Geomagnetic Storm Eases as Moderate Quakes Strike Far East Russia and Xinjiang

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

Sun Unleashes Three M-Class Flares as Activity Surges

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Solar Activity