The northern and southern lights, especially active lately, have been treating sky watchers to spectacular shows. But what causes the colors, and why shouldn't you whistle at the aurora? "These ...

The Aurora Borealis is one of nature’s most captivating displays, but the forces behind it are even more remarkable. This ...

We may receive a commission on purchases made from links. If you look up at the sky late at night and see clouds of multicolored light swirling in the darkness, you aren't witnessing an alien invasion ...