A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.

If you missed your chance earlier this week to see the Northern Lights, the geomagnetic storm continues to increase the likelihood of aurora lights along the northern U.S. on Wednesday.

Geomagnetic storms are likely for March 25-26 this week, increasing the possibility of northern lights across the northern regions of the U.S. and parts of the Midwest. The sun has been active ...