Moon Samples Reveal Surprising New Water Sources.

China's Chang'e 5 rover found water locked in microscopic glass beads on the moon's surface, which could potentially be used by future astronauts for drinking water, breathable air, and rocket fuel. The water is the result of a chemical reaction between oxygen in the beads and hydrogen emitted from the sun that are transported to the moon’s surface by solar winds and deposited into the soil. The moon's surface also contains water ice hidden in the permanently-shadowed craters on the moon’s north and south poles, where both NASA and China are planning to put future moon bases.