# Asteroid Bennu Isn't One Rock. It's Three. - Date: 2026-04-01 - Category: Space & Aerospace Nanoscale spectroscopy at 20nm resolution on Bennu sample OREX-800066-3 reveals a chemical patchwork that defies uniform processing — nitrogen-bearing organics survived extensive water alteration, and organosulfur compounds point to late-stage brine chemistry on the asteroid. ---