This image, taken by NASA's Osiris-Rex probe in December 2018, shows the asteroid Bennu. Scientists have identified 14 of the 20 amino acids used by terrestrial life, as well as the five nucleic acid ...
By Sage Rohrbach A mosaic image of the Bennu Asteriod, created using pictures from NASA’s OSIRIS-REx satellite that was near the asteroid for over two years. Courtesy of NASA via Wikimedia ...