Surprising phosphate discovery in Bennu asteroid sample
Scientists have eagerly anticipated the analysis of the 4.3-ounce (121.6-gram) pristine asteroid Bennu sample collected by NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security - Regolith Explorer) mission since it arrived on Earth last fall. Researchers hoped this material would reveal secrets of the solar system's past and the prebiotic chemistry that could