Northern lights occur when a solar flare interacts with Earth's atmosphere.

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 ...

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.

(KRON) — A “severe” geomagnetic storm watch has been issued for Monday and Tuesday as the largest solar radiation storm in more than 20 years hits Earth, according to the National Oceanic and ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.

Earth is being hit by the strongest solar radiation storm in more than two decades, alongside a severe geomagnetic storm, according to the NOAA Space Weather Prediction Center. The ongoing events are ...

The Sun released a slew of fast-moving, intense charged particles in Earth’s direction, resulting in the largest solar radiation storm to hit our planet since 2003. The National Oceanic and ...

"This is one of the most exciting results from Solar Orbiter so far." ...

Powerful solar activity released by the sun is heading for Earth and it’s likely to create dazzling auroral displays in unexpected areas Monday evening and early Tuesday morning. It could also disrupt ...