There's a chance for G4 (severe) geomagnetic storm tonight, NOAA space weather forecaster Shawn Dahl told CNET.

A strong geomagnetic storm means the Northern Lights could be visible north of Chicago near the Illinois-Wisconsin border and ...

A recent geomagnetic storm could make the Northern Lights visible tonight. Find out where and when to catch a glimpse of the ...

Meteorologist Taylor Stephenson explains the astronomy and meteorology behind the formation of the Northern Lights.