A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.
On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96.
Perseverance's main job is Martian weather forecasting, but its routine solar scans on November 25 unexpectedly detected the ...
Each pixel of this image of a sunspot is roughly 10 kilometers. The photo was captured by the Daniel K. Inouye Solar Telescope in Hawai’i using a new instrument. (Credit: VTF/KIS/NSF/NSO/AURA) SPACE ...
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The most powerful solar telescope in the world has recorded a major milestone atop an active volcano in Hawaii, capturing a detailed image of a cluster of sunspots with the telescope’s new Visible ...
An Earth-facing sunspot region has been raging with massive eruptions of hot gas that have caused disruptions to our communications systems—and there’s still more to come. On Tuesday at 5:49 p.m. ET, ...