NASA fired three rockets into the Alaskan sky to study the effect of Northern Lights on the atmosphere and the result was a strange and striking show of light.

That has led to years of purple streetlights that seemingly appear and then disappear across the nation The purple glow has been described ... coast-to-coast phenomenon caused by faulty LED ...

This blue-green glow was so bright it could light up the night sky. At times, lasting for months and stretching as far as 40,000 square miles. This rare phenomenon was coined “milky seas” and ...