The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays ...

Another powerful geomagnetic storm is in the forecast, and auroras could be visible much farther south than anticipated.

Is this water in the Atlantic Ocean boiling? See what's happening here ...

Strong geomagnetic storms and a moderate solar radiation storm have led to an aurora view forecast for Wednesday night in the ...

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The northern lights could be visible across 10 U.S. states (or maybe more) tonight (Nov. 13-14) as soon as it gets dark, so ...