Science ❯ Astrobiology ❯ Origins of Life

Chemical Reactions

Extraterrestrial Life Water in Space

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

Peer-reviewed studies trace an outer-solar-system origin marked by extensive water-driven alteration.

Asteroid Bennu Samples Reveal Key Ingredients for Life