Purple Bacteria - Not Green Plants - Might Be the Strongest Indication of Life universetoday.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from universetoday.com Daily Mail and Mail on Sunday newspapers.
In the search for extraterrestrial life, scientists already know that we might be looking for a world that's very different from Earth's verdant, plant-dominated biosphere.
How the Color Purple Could Lead Us to Alien Life gizmodo.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gizmodo.com.au Daily Mail and Mail on Sunday newspapers.
Life on alien worlds may not be green, like many organisms on Earth, but instead may be purple. Microbes with purple-pigments may be better suited to survive on distant planets.