If you're a stargazer, prepare yourself for an uptick in northern lights activity amid the peak of the current solar cycle. For the next year or more, the likelihood of seeing the northern lights, ...

On Oct. 15 NASA and the National Oceanic and Atmospheric Administration (NOAA) jointly announced that the sun had entered solar maximum, a stretch of time when its activity is at or near peak. There ...

A vast, volatile blemish has opened on the face of the Sun, and it is already rewriting the current solar cycle’s record book. The decade’s largest sunspot, a complex tangle of magnetism more than ten ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The night sky in Wisconsin glows with the Northern Lights as ...

A massive solar flare unleashed November 11 was one of the strongest on record, experts say—and the Earth-based fallout from weather on our closest star isn’t done yet. The flare—a powerful burst of ...