Science ❯ Space Exploration ❯ NASA Missions ❯ OSIRIS-REx

Sample Return Missions

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.

OSIRIS-REx Samples Show Bennu’s Presolar Stardust, Interstellar Organics, and Faster-Than-Expected Weathering