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Sun news: Coronal hole winds set to spark auroras
Sun news October 4, 2026: Coronal hole solar wind arrives today. Forecasters expect a minor geomagnetic storm with possible aurora for northern Scotland.
October 4, 2026
Yes, there’s an aurora season, and it’s here
There's an aurora season around the equinoxes, due to the way the magnetic fields of the sun and the Earth work in conjunction with sun-Earth geometry.
September 18, 2026
Highest-resolution images of the sun’s surface here!
The Inouye Solar Telescope has captured the highest-resolution images of the sun's surface yet. They show instabilities that may help explain the hot surface.
August 9, 2026
Sun activity archive for July 2026
Sun activity archive for July 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
July 1, 2026
Sun activity archive for June 2026
Sun activity archive for June 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
June 1, 2026
Sun activity archive for May 2026
Sun activity archive for May 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
May 1, 2026
Slow solar wind is oddly fast, says Proba-3
Early data from the Proba-3 spacecraft has revealed that slow solar wind travels much faster than expected in the sun's inner corona.
April 26, 2026
What are coronal mass ejections? Big burps of sun-stuff!
Coronal mass ejections (CMEs) are powerful eruptions on the sun that can disrupt electrical systems and produce brilliant auroral displays on Earth.
April 24, 2026
Sun activity archive for April 2026
Sun activity archive for April 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
April 1, 2026
Sun activity archive for March 2026
Sun activity archive for March 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
March 1, 2026
