Has NASA's Perseverance rover found traces of extraterrestrial life ?

Question

Will it turn out that NASA's Perseverance rover findings cited in the july 26, 2024 paper in Scientific American are traces of extraterrestrial life ?

https://www.scientificamerican.com/article/nasas-perseverance-rover-discovers-a-rock-that-may-contain-alien/

Update 2025-09-11 (PST) (AI summary of creator comment): - The market will resolve YES if the scientific community considers other Perseverance samples with similar "leopard spots" features sufficient evidence of life on Mars, even if the specific samples cited in the 2024-07-26 Scientific American article are not returned to Earth for confirmation.

Manifold Markets · Answer

Probably not — Manifold Markets prediction market estimates a 29% chance (52 traders, as of Apr 5, 2026).