"A potential biosignature, which is how the Sapphire Canyon finding is described, is a substance or structure that might have a biological origin but requires more data or further study before scientists can make a conclusion about the absence or presence of life."
https://theconversation.com/scientists-detected-a-potential-biosignature-on-mars-an-astrobiologist-explains-what-these-traces-of-life-are-and-how-researchers-figure-out-their-source-265157
#Mars #Biosignature #Life #Chemistry #Evidence #Biology
Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source
Unique, spotted rocks in Mars’ Jezero Crater could indicate that the planet once hosted life.
Soh Kam Yung