# In an ancient Martian river channel, Perseverance drilled into a mudstone called Cheyava Falls and found tiny “leopard spot” minerals tangled with organic carbon — patterns that, on Earth, can be left behind when microbes consume organic matter, though sc

> **Open Intelligence Dossier** · First detected: 2026-06-29 01:07 UTC · Category: Science

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*Canonical Source: https://pulse.byoviral.com/trend/2026-06-29/in-an-ancient-martian-river-channel-perseverance-drilled-into-a-mudstone-called*