A strong solar flare rated X4.2 erupted from the highly active sunspot region 4366 on February 4, 2026, at 12:13 UTC (7:13 a.m. EST). NOAA’s Space Weather Prediction Center (SWPC) reported it as an ...

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory captured ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare ...

A 'rule-breaking' sunspot has fired off an extremely powerful X-class solar flare, launching a CME toward Earth that could bring vibrant weekend auroras. When you purchase through links on our site, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, raising the ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Researchers say a deadly earthquake in Japan and 2023’s most powerful solar flare occurring back-to-back can’t be a ...

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 ...

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