The siblings sought a higher understanding on Halloween night when the purple light could be seen all across the Sacramento sky. Sergei Muhhin is visiting Sacramento from Estonia. "Did you see ...

Members of the Facebook group Alberta Aurora Chasers posted photos of a mysterious purple ... night’s sky. In their early posts, the group’s members referred to the streak of purple light ...

With vivid green and purple streaks lighting up the night ... speckled sky are one of nature's most breathtaking phenomenon - the aurora borealis at its best. The naturally occurring light show ...