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The sun just unleashed its biggest solar flare in 30 years and Earth is on alert
The sun has just fired off an eruption so intense it ranks among the most powerful solar flares seen in three decades, a jolt ...
The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar flares, including a hidden X-class outburst, a new paper reveals. The study sets ...
Close-up observations of the Sun explain how solar flares start, grow, and send high-energy particles racing through space.
This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.
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