From last year's big kerplunk, scientists discovered water on the moon. Now nine months of analyses of our nearest celestial neighbor reveal new insights into where it may have come from — and where else it could be found.
It's in pockets, not vast oceans. It may have arrived via comets or asteroids, or it may have been created there.
At a technical gathering in Mountain View, NASA's LCROSS mission leader Anthony Colaprete and other scientists