The Sun fired off six X-class flares in the first four days of February 2026, a burst of extreme activity spanning roughly ...

Sunspot AR3234 blasted an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict. When you purchase through links on our site, we may earn an affiliate commission.

NPR's Ayesha Rascoe talks with heliophysicist India Jackson about Thursday's huge solar flare and how it affected the Earth. A powerful eruption on the sun disrupted radio signals on earth AYESHA ...

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