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Tracing a modern biosphere on Mars

Exploring the hypothesis that life is present on Mars today is key to informing planetary protection issues at a pivotal time, with the clock ticking to return pristine samples before humans irrevocably alter the environment.

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Fig. 1: Mars biosphere engine.


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This work was supported by the NASA Astrobiology Institute via Grant No. NNA15BB01A.

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Correspondence to Nathalie A. Cabrol.

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Cabrol, N.A. Tracing a modern biosphere on Mars. Nat Astron 5, 210–212 (2021).

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