4 points | by alcover an hour ago
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The abundance of long-chain hydrocarbons in Gale crater mudstone, and iron phosphate and iron sulfide in Jezero crater mudstone supports the notion of at least bacteriological life on Mars.
TLDR:
The sample is still on Mars. It presents tiny dots that, on Earth, form in soils due to the presence of microbial activity.
The abundance of long-chain hydrocarbons in Gale crater mudstone, and iron phosphate and iron sulfide in Jezero crater mudstone supports the notion of at least bacteriological life on Mars.
TLDR:
The sample is still on Mars. It presents tiny dots that, on Earth, form in soils due to the presence of microbial activity.