Science ❯ Astrobiology

Prebiotic Chemistry

Organic Molecules Organic Compounds Origin of Life Origins of Life Conditions for Life Amino Acids Biosignatures Isolation of Prebiotic Molecules Molecular Evolution Life Origins Building Blocks of Life Molecules in Space Biomolecules Life's Building Blocks Cosmic Origins Organic Matter Chemical Compounds Molecular Clouds

Webb Reveals 3I/ATLAS as an Ancient Comet Born in a Frigid, Metal‑Poor Environment

Extreme isotope measurements suggest our local comets may not represent comet chemistry across the galaxy.

Interstellar Comet 3I/ATLAS Shows Ancient, Cold Origin in JWST and Ground Spectra

OSIRIS-REx Study Reports Tryptophan Signal in Pristine Bennu Sample

JWST Finds Five Complex Organic Ices Around a Protostar in the Large Magellanic Cloud

Titan Study Shows Hydrogen Cyanide Mixing With Methane and Ethane in Stable Co-Crystals

Scripps Research to Test Ribose Phosphorylation in Protocells