This is the best tl;dr I could make, original reduced by 88%. (I'm a bot)

> Tiny glass beads strewn across the moon's surface contain potentially billions of tonnes of water that could be extracted and used by astronauts on future lunar missions, researchers say.

> The latest research, published in Nature Geoscience, points to fine glass beads as the source of that surface water.

> Further tests on the material showed the water diffuses in and out of the beads on the timeframe of a few years, confirming an active water cycle on the moon.

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