NASA Set To Grab A Piece Of Asteroid That May Hit Earth 200 Years Later
Wednesday, December 5, 2018, 9:20 AM
For the past two years, the OSIRIS-REx spacecraft has sailed across the solar system by the light of the stars. Like ancient mariners and the Apollo astronauts, it needed the constancy of the constellations to navigate the dark unknown. All that changed Monday, when the NASA probe finally reached its target, an Empire State Building-sized asteroid called Bennu.