Space.com #The Journey Begins: NASA’s Asteroid-Sampling Probe Has a Long Path Ahead 9 September 2016 fborgosano Leave a comment Share: NASA’s OSIRIS REx mission is on its way to an asteroid! The sample-retrieval mission won’t reach its target until 2018, and the sample won’t return to Earth until 2023. from Space.com ift.tt/2ciLzoo Share: