A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

What Are Solar Flares? Solar flares are explosive bursts of radiation resulting from the release of magnetic energy associated with sunspots. They occur when magnetic fields around sunspots become ...

The sun has emitted several solar flares in recent days, putting space-weather experts on the lookout for northern lights ...

Scientists say this powerful surge in solar activity could set the stage for the northern lights to appear as early as ...

The sun emitted some of the most powerful solar flares this week, NASA announced.

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

Solar conditions are shifting as fresh solar eruptions ripple through the space environment, prompting forecasters at NOAA to ...

Sunspot 4366 is a significant area of magnetic instability on the Sun's surface. It formed unexpectedly and has rapidly expanded to nearly half the size of the sunspot that was responsible for the ...

Space scientists have announced that the Sun has fired four massive solar flares. The outbursts were captured by NASA’s Solar ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since ...

Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible ...

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