Tag: Mars biosignatures
NASA’s Perseverance rover has spotted potential biosignatures in a rock sample called “Sapphire Canyon,” drilled from the Cheyava Falls outcrop in Jezero Crater. The sample shows colorful, leopard-like spots and chemistry linked to ancient water. It’s the closest hint yet of past Martian life, but not proof. NASA is checking for contamination and nonorganic causes, with results shared in Nature. (Read More)
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Mars biosignatures: NASA's Perseverance finds tantalizing signs in 'Sapphire Canyon'
11 Sep 2025
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