4 sites selected for OSIRIS-Rex sample return 2 final sites, a primary and a backup, will be selected by NASA in December.Published in: SciencesAbout: Osiris-rexBennuSample returnLink: https://www.nasa.gov/press-release/nasa-mission-selects-final-four-site-candidat...Display this news in the events: L'actualité ne sera pas affichée dans les fils événements