Solar Flare
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NASA
Volunteers Find Oddly High Solar Flare Rates
Patches of the Sun’s surface often show strong magnetic fields. These fields can emerge within a matter of hours, and can decay slowly or quickly, sometimes over days, weeks, or even months. Thanks to a new study about these long-lived active regions, we now know much more about the patches where these strong magnetic fields take at least a month to…
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NASA
Strong Solar Flare
This Feb. 4, 2026, image from NASA’s Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star. Solar flares are powerful bursts of energy that can, along with other types of solar eruptions, can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts. The flare pictured was classified as an X4.2 flare. X-class…
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