NASA has announced that the properties of a rock in Jezero Crater qualify as a potential biosignature. The NASA Astrobiology Roadmap defines a biosignature as an object, substance, and/or pattern whose origin specifically requires a biological agent. By that standard, a confirmed biosignature would be as close as we can get to proof of alien [] The post A double standard about contamination is keeping us from verifying signs of Martian life appeared first on SpaceNews.
A double standard about contamination is keeping us from verifying signs of Martian life
Space News - 22 Sep 2025 13:00
NASA has announced that the properties of a rock in Jezero Crater qualify as a potential biosignature. The NASA Astrobiology Roadmap defines a biosignature as an object, substance, and/or pattern whose origin specifically requires a biological agent. By that standard, a confirmed biosignature would be as close as we can get to proof of alien [] The post A double standard about contamination is keeping us from verifying signs of Martian life appeared first on SpaceNews.
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