osma, (edited ) Holy crap, that's a HUGE surprise and opens the possibility that signs of life could also be found!
"Asteroid Bennu may be a fragment of an ancient ocean world. That's still highly speculative. But it's the best lead I have right now to explain the origin of that material," principal investigator for OSIRIS-REx, Dante Lauretta of University of Arizona said.
https://www.space.com/asteroid-bennu-osiris-rex-samples-1st-look-surprises
#bennu #osirisrex #asteroid #space