Science ❯ Geochemistry

Isotope Analysis

Nitrogen Isotopes Rare Metals Extraterrestrial Materials Platinum-Group Metals Lutetium and Hafnium Mineralogy Chlorine Isotopes Zinc Isotopes Hydrothermal Reactions Calcium Isotopes Ruthenium Isotopes Sulfur Isotopes

PNAS Study Finds Rare Water-Rich Meteorite Relics in Chang'e-6 Far-Side Samples

CI-like fragments identified by chemistry and triple-oxygen isotopes suggest volatile-bearing asteroids delivered material to the Earth–Moon system.

Megalodon Was a Flexible Supercarnivore, New Study Shows