New research shows that craters near the moon's south pole that have been in permanent shadow the longest are more likely to contain the most water ice.

The moon's oldest and darkest craters could be hiding the most water ice. That's good news for future astronauts

Source: space
Source Link: https://www.space.com/astronomy/moon/the-moons-oldest-and-darkest-craters-could-be-hiding-the-most-water-ice-thats-good-news-for-future-astronauts