Let's play a little game called "Alien Or Creature from the Ocean." Ready: What is this thing, an alien or a creature from the ocean? If you guessed alien, you are wrong. If you guessed creature ...

The virtual purple bacteria produced detectable biosignatures, providing astronomers a new data set to inform next-generation telescopes in the search for alien life, like the European Extremely ...

Forget green: Purple may be key to finding planets capable of hosting alien life, study says It's likely for astronomers combing the cosmos for signs of extraterrestrial life to stumble upon a ...

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.

Find a purple planet, and you may have spotted alien life. Some of the first Earthlings were purple bacteria that ruled the planet about 3 billion years ago. If any Earth-like exoplanets host ...

The current search for alien life is biased toward looking for green pigments, primarily because of limited measurements of organisms of other colors including purple, Coelho and her team argue.