Microbes Could Survive in Enceladus Ocean, Study Finds

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What did scientists discover about Enceladus?

Researchers demonstrated that certain microorganisms, specifically the archaeon Methanothermococcus okinawensis, could survive in simulated conditions of Enceladus's subsurface ocean. This suggests that the moon's unique geochemistry might create conditions more favourable for microbial life than previously thought.

How did scientists conduct the study?

Scientists recreated the chemical environment of Enceladus's ocean floor in a laboratory. They used the archaeon Methanothermococcus okinawensis, which consumes hydrogen and produces methane, and exposed it to conditions mimicking the moon's ocean, including low carbon dioxide concentration and high pH.

Does this mean there is life on Enceladus?

The study's authors stressed that their findings do not prove the existence of life on Enceladus. However, they indicate that the moon's geochemistry could support ancient forms of metabolism, making it a promising location in the search for extraterrestrial life.