Apollo 15 astronauts' discovery of unusual green glass beads on the Moon has yielded a significant finding: evidence of water. Decades after the mission, researchers have confirmed the beads contain trapped hydrogen, indicating the presence of water within the lunar rocks. This discovery challenges the previous understanding of the Moon as a completely arid celestial body. The water is believed to be located deep within the Moon’s interior, offering new insights into the Moon’s volcanic past. These volcanic glass beads formed from ancient lunar eruptions and preserved water within their structure. The finding has implications for future lunar exploration and potential resource utilization.