Why can't we put a space station on the moon?

A space station on the moon could be very useful. It would provide future space missions with a stopping point between leaving the Earth and reaching further into the solar system or even the Milky Way. One reason we haven’t built a space station on the moon is that we don’t send people there very often. We have only managed to put astronauts on the moon six times so far. These moon landings took place in a three-year period between 1969 and 1972 and were part of a series of space missions called the Apollo missions. More

(Source: Space.com - Jan 3)