The moon has a more complex history than previously thought with at least nine subsurface layers, results from ground-penetrating radar aboard China's Yutu lunar rover shows.

China's Yutu-2 rover investigated the Van Kármán crater near the Moon's south pole, also known as the dark side, and found the moon's 'internal architecture' is made of three layers.

Like those previous studies, Feng and his colleagues analyzed data from the Chang'e-4 rover, which landed on the far side of the Moon in 2019. Only this time they had much more data to work with ...

The Chang'e 4 lander and rover touched down on the moon's far side on Jan. 2, 2019, making the pair the first spacecraft to ever soft-land on the side of the moon that never faces Earth.