Science ❯ Geochemistry

Isotopic Analysis

Pollution Exposure Biosignatures Meteorites Geochronology

Bennu Samples Show Amino Acids Likely Formed in Icy, Radioactive Environments

Isotopic fingerprints from OSIRIS‑REx material point to chemistry in frozen, irradiated ice rather than water‑based reactions.

Study Pinpoints Microbial Colonization of Finland’s Lappajärvi Impact Crater