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Geochemistry

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Study Ties Planetary Habitability to a Narrow Oxygen Window in Core Formation

ETH Zurich researchers urge exoplanet searches to favor Sun-like stellar chemistry.

Yellowstone Quake Swarm Briefly Rewired a Deep Aquifer’s Chemistry and Microbes

Iron Carbonate, Not Phosphate, Preserved Biomolecules in Ancient Coprolites

Perseverance Finds Potential Biosignature in Jezero Mudstones, Nature Study Reports

Simulations Point to Carbon as Trigger for Earth’s Inner-Core Formation