Bennu asteroid contains building blocks of life, say scientists newsthirst.
Alison Francis Senior Science Journalist NASA/Goddard/University of Arizona Asteroid Bennu is a 500m-wide pile of boulders, rocks and rubble The chemical building blocks of life have been found in the grainy dust of an asteroid called Bennu, an analysis reveals. Samples of the space rock, which were scooped up by a Nasa spacecraft and brought…