The sun erupted in a massive solar flare, the largest of the year, sending a wave of solar activity that could affect Earth starting on Tuesday. A powerful X5.1-class flare, capable of disrupting ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

On May 29, NASA's Solar Dynamics Observatory captured a new family of sunspots produced the largest solar flare observed since since October 2017. The flare was not strong enough to meet NOAA's Space ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. We are currently midway through Solar Cycle 25, the 25th solar cycle since the naming convention began back with Solar Cycle 1 in ...

A strong solar flare peaked just after 9 a.m. Tuesday, but what does that mean? Can it be seen from Earth?Tuesday's solar flare was not the first this year or even this month. Here is more information ...