Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

Red sprites hover between 40 and 55 miles high. Up there, the air is thin, so electric fields can spark gigantic filaments ...

It also revealed that the red sprites weren't the only rare form of lightning that appeared within this wide region, as "ghosts," or strange green glows, and other atmospheric phenomena were also ...

Have you ever heard of—or even seen—red lightning? These are not animated characters but real atmospheric phenomena known as electrical discharges that occur high above thunderstorms.