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C. Alex Young

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C. Alex Young

Sun

Severe geomagnetic storm! What happened to the auroras?
A powerful blast from the sun triggered a severe geomagnetic storm on the night of January 19, but the auroras weren't as dazzling as hoped. Here's why.
C. Alex Young
Will Triggs
Cristina Ortiz
January 20, 2026
Sun

Sun activity archive for January 2026
Sun activity archive for January 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
January 1, 2026
Sun

Sun activity archive for December 2025
Sun activity archive for December 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
December 1, 2025
Sun

Sun activity archive for November 2025
Sun activity archive for November 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
November 1, 2025
Sun

Sun activity archive for October 2025
Sun activity archive for October 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
October 1, 2025
Sun

Sun activity archive for September 2025
Sun activity archive for September 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
September 1, 2025
Sun

Sun activity archive for August 2025
Sun activity archive for August 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
August 1, 2025
Sun

Sun activity archive for July 2025
Sun activity archive for July 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
July 1, 2025
Sun

Sun activity archive for June 2025
Sun activity archive for June 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
June 1, 2025
Sun

Sun activity archive for May 2025
Sun activity archive for May 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
May 1, 2025

About Author

C. Alex Young

C. Alex Young is a solar astrophysicist studying the Sun and space weather. Alex is passionate about sharing science with diverse audiences. This led him to start The Sun Today with his designer wife, Linda. First through Facebook and Twitter then adding an extensive website thesuntoday.org, the two work together to engage the public about the Sun and its role in our solar system. Alex led national engagement efforts for the 2017 total solar eclipse. He is the Associate Director for Science in the Heliophysics Science Division at NASA Goddard Space Flight Center.
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