Solar flares cause spectacular displays of aurora borealis this week all over Alaska’s skies, even stretching down into ...

As a powerful solar storm painted brilliant hues across Wyoming skies, people went searching for the perfect backdrop to catch the epic light show. Even backyards, streets and alleyways offered ...

The predicted speed of the third coronal mass ejection in the series was the highest he'd ever seen: about 870 miles per ...

Charged particles from the Sun fueled a strong geomagnetic storm from late Sunday into Monday, delivering impressive displays ...