Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. These processes follow the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A spotless sun as viewed on ...

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, ...

As Solar Cycle 25 peaks, learn how increased sunspots and ionospheric ionization are boosting shortwave radio propagation.