What’s the source of the ice at the moon’s south pole?

A new study from Brown University suggests that different deposits of south polar moon ice not only have different sources, but also vary greatly in age. Source: https://earthsky.org/space/different-sources-ice-moons-south-pole…

What is the mystery mass on the moon?

Scientists have discovered a massive subsurface deposit of dense material – probably metal – beneath the largest crater on the moon. Did it result from a huge asteroid impact or a former lunar ocean of molten rock? Source: https://earthsky.org/space/mystery-mass-moon-south-pole-aitken-basin…