The sample is still on Mars. It presents tiny dots that, on Earth, form in soils due to the presence of microbial activity.
bediger4000•28m ago
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.
alcover•44m ago
The sample is still on Mars. It presents tiny dots that, on Earth, form in soils due to the presence of microbial activity.