Science ❯Geology

Mineralogy

Rare Earth Elements Sedimentary Rocks Diamonds Gold Deposits Gemology Meteorite Composition Sulfur Compounds Meteorites Mineral Deposits Chemical Reactions

UMass Team Identifies Ferric Hydroxysulfate on Mars, Signaling Recent Thermal Activity

AI-enabled CRISM mapping resolved a long-standing spectral anomaly, revealing clues to Amazonian-era heating on the planet’s surface.

Oklahoma Family Finds 2.79-Carat Brown Diamond at Arkansas’ Crater of Diamonds

First Atlantic Renames Newfoundland Nickel Project 'Pipestone XL' as Phase 2X Drilling Moves Forward

Lab Experiments Back ‘Earth Wind’ as Driver of Lunar Rust

Perseverance’s ‘Leopard-Spot’ Rock Tagged a Potential Biosignature as Fresh Skepticism Surfaces

Iron Carbonate, Not Phosphate, Preserved Biomolecules in Ancient Coprolites

Perseverance Maps Repeated Habitable Water Episodes in Jezero, Study Finds

Gold Specimens Worth €600,000 Stolen From Paris Natural History Museum

Perseverance Finds Potential Biosignature in Jezero Mudstones, Nature Study Reports

First Direct Date of Dinosaur Eggshells Pins Chinese Clutch to 86 Million Years

NASA Reveals Most Compelling Potential Mars Biosignature in Perseverance Rock Sample

Perseverance Detects Potential Biosignature in Jezero Crater Rock

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

Study Confirms 830–820 Ma Origin of Niobium-Rich Carbonatites in Central Australia

New Tests Date Greece’s Petralona Skull to at Least 277,000 Years

Deep-Sea Worm Is First Animal Known to Make Orpiment, Turning Vent Poisons Into Protection

Science Study Finds U.S. Mine Waste Holds Enough Critical Minerals to Slash Imports

OSIRIS-REx Samples Show Bennu’s Presolar Stardust, Interstellar Organics, and Faster-Than-Expected Weathering

Crater of Diamonds Confirms New Yorker’s 2.3-Carat Find as Third-Largest of 2025

New Yorker’s 2.3-Carat ‘Fox-Ballou Diamond’ Ranks as Third-Largest 2025 Find at Crater of Diamonds State Park