Aurora borealis is one of the coolest astronomical events that we can see with the naked eye. It makes the sky glow beautiful colors, and auroras are just random enough to be exciting occurrences. But ...

The northern lights, or aurora borealis, occur when energetic particles from the sun—released through processes like solar wind and coronal mass ejections (CMEs)—collide with Earth’s atmosphere.

Stunning views of the Aurora Borealis have wowed hikers in Alaska over the past few days, appearing in freezing conditions over trails near the city of Fairbanks. The dazzling natural phenomenon ...