Sounds like we need to send a probe or ten to the Moon. Who knows what’s down there? (Although the answer is going to be “some rocks” as far as most non-astronomers are concerned.)
Now imagine there is some simple biology happening from the time the Moon had some atmosphere, in caves sealed billions of years ago.
https://en.wikipedia.org/wiki/The_Lotus_CavesIt's remarkable the Moon has so many interesting stories waiting to be uncovered.