This week, the Northern Lights may put on a spectacular show for parts of the United States, thanks to a geomagnetic storm triggered by recent solar activity. The auroras, typically visible only in high-latitude regions like Alaska and northern Canada,

Moderate solar storms may make the northern lights visible in the uppermost parts of the nation, though it won’t be as dazzling as last month’s star show.

In May, NOAA issued a rare severe geomagnetic storm warning — it was the strongest storm in more than two decades, producing light displays across the Northern Hemisphere. Last