Science ❯ Astrobiology ❯ Origins of Life

Prebiotic Chemistry

Extraterrestrial Life Sample Return Missions Organic Molecules Chemical Complexity Molecular Building Blocks Chemical Reactions Extraterrestrial Samples

Lab Study Shows Peptides Can Form on Icy Space Dust Under Cosmic-Ray Conditions

Laboratory simulations of icy dust grains under cosmic-ray bombardment reveal a non-aqueous route to peptide formation.

OSIRIS-REx Study Reports Tryptophan Signal in Pristine Bennu Sample

Study Reports Tryptophan in Bennu Sample, Bringing Amino Acid Tally to 15

Study Finds Hydrogen Cyanide Forms Co‑Crystals With Methane Under Titan Conditions