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Lunar microbial survival and contamination risks

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2026-08-24 06:51 UTC → 2026-08-25 12:42 UTC · added ~~removed~~

NASA-led research has identified that certain Earth-based microbes could survive in the shaded, cold regions of the Moon’s South Pole. Using data from the Lunar Reconnaissance Orbiter, scientists modeled survival niches in areas such as the Nobile Rim and De Gerlache Rim, finding that permanent cold traps provide protection from extreme temperatures and ultraviolet radiation. Initial findings indicated that organisms like the fungus Aspergillus niger and species of Fusarium demonstrated significant resilience. Subsequent analyses expanded on these risks, noting that microorganisms could potentially survive for years in these biological refuges by entering a state of cryptobiosis. Recent research published in Science Advances, led by NASA’s Goddard Space Flight Center, has identified specific resilient microbes including Deinococcus radiodurans, Bacillus subtilis, and Staphylococcus aureus. The study suggests these organisms might find refuge in protected nooks, such as deep crater floors or even within an astronaut’s bootprint. Researchers have warned that this poses a significant risk of biological contamination for upcoming crewed missions, such as the Artemis program. The potential for Earth-based bacteria and fungi to colonize lunar environments could complicate future research and the search for natural lunar organic ~~matter.~~ matter, making it difficult to distinguish between indigenous lunar material and biological matter transported by human activity.

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