See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. There is a chance of powerful X-class solar flares that are capable of ...

Scientists studying 50 years of solar data warn Earth may be entering a heightened risk period for rare “superflares” capable ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A "dangerous" sunspot fired an intense "X-class" solar flare toward ...

The sun is an incomprehensibly gigantic, constantly roiling nuclear furnace—but some days are even busier than others. Based on data collected by NASA’s Solar Dynamics Observatory, our solar system’s ...

The active sun is kicking into overdrive and we could be in for yet more dazzling auroras. In the early morning hours today (Aug. 14), the sun unleashed the most powerful class of solar flare, in a ...

On March 28, Earth was hit by an X-class solar flare that was strong enough to ionize part of the planet's atmosphere. When you purchase through links on our site, we may earn an affiliate commission.

NOAA’s Space Weather Predictions Center has reported an X1.9-rated solar flare from the sunspot 4341 that follows on from a similarly-rated solar flare in November. The flare peaked at 18:09 UTC on ...