Is alien life purple? Researchers look beyond Earth's green earthsky.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from earthsky.org Daily Mail and Mail on Sunday newspapers.
Researchers from Cornell University propose that alien hunters should focus on purple-colored planets in their quest for extraterrestrial life. Their study indicates that planets hosting ETs may display a unique purple hue, attributed to the existence of purple bacteria.