NASA’s OSIRIS-REx spacecraft has finally arrived at asteroid Bennu
Scientists hope the probe will reveal if such space rocks helped kick-start life on Earth
![asteroid Bennu](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/12/120318_lg_bennu_feat.jpg?fit=860%2C460&ssl=1)
TAG, YOU’RE IT The OSIRIS-REx spacecraft has caught up with asteroid Bennu, shown in an image taken November 16. The probe will use a touch-and-go maneuver to grab up to two kilograms of sand and dust from the space rock.
University of Arizona, Goddard Space Flight Center/NASA