(Photo by Alexander ... More Manzyuk/Anadolu via Getty Images) NOAA projected Saturday night’s northern lights would have a Kp index of 3, a measure of the aurora’s strength on a scale of 0 to ...

No matter how many times you see them, the northern lights, or aurora borealis—and their Southern Hemisphere equivalent, the aurora australis—are an ethereal, breathtaking sight. Dancing ...

The aurora borealis can be seen over eight northern states in the US tonight. NOAA predicts a Kp index of 3, indicating a "pleasing" light display. No severe geomagnetic storms have been predicted ...