The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected.
WISN 12 News on MSN
What are northern lights? Here's what to know about auroras
Northern lights were visible in several parts of the U.S. Tuesday night into Wednesday. So what are auroras, and what caused ...
The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays ...
The northern lights could be visible Tuesday and Wednesday night in the Chicago area, due to severe solar storms.
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