To help inform lunar exploration plans set to begin in the next few years by robotic probes and then when humans return to the Moon in the 2020s, a long dormant core sample collected by astronauts in 1972 may reveal secrets of how the Taurus-Littrow Valley formed and the distribution of volatiles in the soil. https://www.nature.com/articles/d41586-019-00963-8?bcmt=1