Could microscopic green crystals in Jezero Crater be evidence of ancient Martian life?

NASA researchers identified minerals in Martian rocks that typically form through biological processes on Earth. After failing to find non-biological explanations, scientists suggest these findings represent the strongest potential evidence of past life on Mars discovered to date.

The research centers on microscopic spots found within rocks in the Jezero Crater on Mars. These features exhibit redox-driven mineral and organic associations that mirror patterns observed in biological systems on our own planet. Despite months of rigorous testing, the team has been unable to identify a geological or chemical process that explains these specific mineral structures without invoking biological activity.

While these findings are compelling, they remain a hypothesis. The definitive verification of these biosignatures requires a laboratory analysis of the physical samples on Earth, a process that would take only days if the material were available for study.

Source: Has NASA Found 3 Billion Year Old Dead Martians? Why A Green Crystal Could Be A Biosignature!