According to Dr. Schmoll, the Earth's magnetic field has a north and south pole, just like any magnet. The sun does as well.

A period of peak magnetic storms on the sun could lead to another show of northern lights on Earth on Saturday and Sunday, ...

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

The National Oceanic and Atmospheric Administration predicted a much stronger northern lights display than usual Saturday night following a strong geomagnetic storm.