A base on the Moon is many scientists' dream because it would set a new milestone in space exploration. According to observations from NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft that might be much more complicated than previously thought.
According to NASA's last year's data, the Moon experiences a heavier bombardment by small meteoroids than models had previously predicted. This revelation implies that equipment placed on the Moon for long durations, such as a lunar base, will have to be sturdier.
Of course, building on the Moon wouldn't be easy, but the ESA produced their first 3D printed brick, which could help with the building material. Bricks have been 3D printed out of simulated moondust using concentrated sunlight - proving in principle that future lunar colonists could one day use the same approach to build settlements on the Moon.