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Sun unleashes 2 colossal X-class solar flares, knocking out radio signals across the Americas and Pacific

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.
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Surprise geomagnetic storm arrives early as NOAA warns more solar impacts are on their way today

A geomagnetic storm surprised forecasters overnight as material from recent solar eruptions arrived earlier than expected, briefly reaching strong (G3) levels. Now, NOAA has a G3 geomagnetic storm ...
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Sun Erupts With Powerful X1.6 And M4 Solar Flares

Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.
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4K Footage Of Powerful Solar Flares Producing Dramatic Spitfire And Radio Blackout

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.
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There's another comet ATLAS in our solar system — and it just turned gold after a perilous dance with the sun

New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its ...