A panel of people on a stage speak at a press conference in front of a backdrop with an image of an asteroid Chris Richards/University of Arizona Dante Lauretta (center), OSIRIS-REx principal investigator and UArizona Regents Professor of Planetary Sciences, speaks during a press conference announcing the first discoveries from the Bennu asteroid sample at NASA's Johnson Space Center on Wednesday. Other panelists, from left, are Lori Glaze, NASA's Science Mission Directorate's Planetary Science Division director; OSIRIS-REx sample analysis lead Daniel Glavin; OSIRIS-REx deputy curation lead Francis McCubbin; and NASA Administrator Bill Nelson.