Science ❯ Astrophysics

Solar Dynamics

Solar Flares Magnetic Fields Active Regions Sunspots Solar Radiation Solar Cycle Solar Wind Solar Emissions Solar Activity Energy Transfer

3 ARTICLES

last wk.

Record 19-Day Solar Radio Burst Traced to Helmet Streamer

A peer‑reviewed study ties the marathon signal to a stable coronal structure energized by successive eruptions, offering a new marker for space‑weather forecasting.

11 ARTICLES

3mo ago

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

4 ARTICLES

4mo ago

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

10 ARTICLES

4mo ago

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

3 ARTICLES

5mo ago

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

4 ARTICLES

5mo ago

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

11 ARTICLES

5mo ago

Inouye Solar Telescope Resolves Solar Flare Loops as Thin as 21 Kilometers

Solar Dynamics

Record 19-Day Solar Radio Burst Traced to Helmet Streamer

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

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

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

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

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

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

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Solar Dynamics

Solar Activity Surges as Second X-Class Flare Hits Overnight

M1.1 Solar Flare Recorded Over Sunspot 4248 as Overall Activity Eases

Earth Enters Fast Solar-Wind Stream as Moderate Geomagnetic Storm Begins

Solar Flares Intensify With M4.8 Blast, X‑Class Possible Today

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

NASA’s IMAP Set for Sept. 23 Launch to Map the Solar System’s Protective Bubble

Study Finds Solar Flares Superheat Ions 6.5 Times More Than Electrons

Inouye Solar Telescope Resolves Solar Flare Loops as Thin as 21 Kilometers

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Solar Dynamics