What Henry Cooper thought was wrong

Something is going wrong with the moon in Henry Cooper opinion, and he is there to discover it. We can expect that if the story is a Sci-Fiction story, something like technology could be failing in the moon colony, or a new way of life (alien?) has been discovery or an old civilitation ruins were found in an excavation. A lot of different things could went wrong with that kind of discoveries. I prefer to vote with an old civilitation ruins were found and a strange message has been discovery, and this message can change the future of Human.