by francopoli

Discovery of lunar polar wander gains the moon entry into an extremely exclusive club. The only other planetary bodies theorized to have permanently shifted location of their axis are Earth, Mars, Saturn's moon Enceladus and Jupiter's moon Europa

I wonder if this has anything to do with the massive impact event on the moon's south pole. The SP-A basin is one of the biggest impact craters in the solar system, only the North Pole basin on Mars is bigger