A large coronal hole has emerged on the sun’s eastern horizon. Its fast solar wind may reach Earth, potentially triggering auroras and affecting geomagnetic activity in the coming days.

Scientists develop a forecasting system that predicts high-risk windows and regions for solar superflares, using 50 years of X-ray data and machine learning techniques.

A team of scientists from around the world has created the first system that can predict when and where extremely powerful ...

As if returning to the Moon’s vicinity hadn’t already had enough things to delay it, now risky space weather could get in the ...

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Add Yahoo as a preferred source to see more of our stories on Google. The northern lights are pictured over Portsall in western France on January 19. - Oscar Chuberre/AFP/Getty Images Powerful solar ...

A century of solar observations from Kodaikanal Solar Observatory and modern satellite data reveal patterns in the Sun’s polar magnetic activity, aiding predictions of future solar cycles.

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, raising the possibility of increased geomagnetic storm activity. Nasa’s Solar Dynamic ...

LAS CRUCES — The eerie yet beautiful auroras that delivered pink and green nighttime skies across New Mexico and much of the U.S. this month are the result of geomagnetic storms caused by solar ...