Science ❯ Chemistry

Geochemistry

Mineralogy Organic Chemistry Chemical Reactions Mineral Chemistry Element Composition Redox Reactions Redox Chemistry Planetary Chemistry Isotope Analysis Sulfur Chemistry

Teghaza 001: An Ancient Martian Rock That Records Early Water

New grain-scale dating shows it formed at least 4.1 billion years ago, revealing signs of liquid-water alteration with an uncertain Martian origin.

Stories older than 24h

At Least 4.1‑Billion‑Year‑Old Martian Rock Reveals Early Water and Complex Mantle

New Studies Show Enceladus Plume Grains Can Concentrate Ocean Chemicals

Laboratory Tests Suggest Enceladus Ocean Could Support Methane-Producing Microbes

Pterosaur Wing Yields Steroid Biomarkers and Shows Microbe-Driven Mineral Sealing

Lab Experiments Recreate Mercury Magma to Show Sulfur Lowers Crystallization Temperatures

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

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

Experiments Confirm Hydrogen–Rock Reactions Can Create Large Water Stores Inside Sub-Neptunes

Single Number Predicts Stalagmite Shapes, Study Finds

Iron Carbonate, Not Phosphate, Preserved Biomolecules in Ancient Coprolites

Perseverance Finds Potential Biosignature in Jezero Mudstones, Nature Study Reports

Perseverance Sample Marks Most Convincing Candidate Biosignature on Mars, NASA Says

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

NASA Models Point to Long-Lived Hydrothermal Energy on Ancient Ceres

Deepest Chemosynthetic Communities Found in Kuril-Kamchatka and Aleut Trenches

New Laser Technology Could Help Detect Fossilized Microbes on Mars

Earliest Evidence of Coral-Algae Symbiosis Discovered in 385-Million-Year-Old Fossils

NASA's Perseverance Rover Uncovers Potential Signs of Ancient Life on Mars

Curiosity Rover Uncovers Pure Sulfur Crystals on Mars