The sun is sending a slew of activity to Earth this week — and that could mean strong displays of the aurora, also known as the northern and southern lights. For prime northern lights viewing in the United States,

The northern lights are expected to be dancing overhead again this weekend, and Minnesotans might have a chance to see them.

By midday Thursday, geomagnetic storm predictions for Thursday through the next several days had already reached levels in which northern lights could be visible in parts of Michigan. Now, officials are predicting higher,