Science ❯ Astrobiology ❯ Origins of Life

Prebiotic Chemistry

Extraterrestrial Life Organic Molecules Sample Return Missions Extraterrestrial Samples

OSIRIS-REx Study Reports Tryptophan Signal in Pristine Bennu Sample

Researchers call for chiral or isotopic tests to verify extraterrestrial origin.

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

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