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Geochemistry

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Lab Experiments Recreate Mercury Magma to Show Sulfur Lowers Crystallization Temperatures

The results point to sulfur‑driven magmatism in an oxygen‑poor state on Mercury.

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

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