NASA Invites Media to Briefing on OSIRIS-REx Asteroid Sample Stowage NASA will host a media teleconference at 4 p.m. EDT today, Thursday, Oct. 29, to provide an update on the status of the agency’s Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft and the mission’s work to safely stow the sample it collected from asteroid Bennu. http://www.nasa.gov/press-release/nasa-invites-media-to-briefing-on-osiris-rex-asteroid-sample-stowage