This story appears in the November 2015 issue of National Geographic magazine. Prashant Mandal flips on a candy-bar-size LED light in the hut he shares with his wife and four children. Instantly ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth ... Keep up with current northern lights forecasts and geomagnetic storm warnings with our aurora forecast live blog.

The hole needs to be big enough to snugly fit the stake of the solar path lights, so measure accordingly. Once you've drilled ...