Scientists say the Moon does not hold enough water to sustain large human settlements, according to Phys.org. The finding, reported on 14 September 2026, pushes back against the idea that future lunar cities could rely on local water supplies.
Phys.org reports that the amount of water available on the Moon falls short of what would be needed to support urban-scale habitation. The conclusion rests on the gap between known lunar water resources and the demands of a permanent population.
The topic has drawn attention from several outlets. Frontiers carried a similar headline stating there is not enough water on the Moon for cities. The Times, by contrast, reported that the Moon does have water for future cities, though it noted that such water "could get a bit grubby."
The disagreement between outlets points to an ongoing question in lunar research: how much water the Moon actually holds and whether it can be extracted at a useful scale. Phys.org's reporting places the emphasis on scarcity rather than promise, suggesting that any long-term human presence on the Moon would face tight constraints on water.
Water matters for lunar settlement because it supports drinking, agriculture and oxygen production, and because it can be split into hydrogen and oxygen for rocket fuel. If the supply is as limited as Phys.org describes, plans for large surface cities would need to be scaled back or resupplied from Earth.
What to watch next: whether further studies confirm the water shortfall and how space agencies adjust their lunar habitation plans in response.
