This week, a tale of two lunar landers demonstrates why scientists ... The unexpected discovery makes these the oldest known ...

the deeper and earlier-formed lunar mantle may have relatively lower water content than the shallower and later-formed mantle source." One thing is for sure: Despite being as dry as a bone ...

Using a lunar sample obtained last year ... The moon was believed to be “bone dry” until the 1990s, when scientists began to discover hints of water on its surface. Those hints were confirmed ...

The long-held notion of a bone-dry Moon was challenged in 2008, with the detection of water in some of the Apollo samples. Since then, lunar scientists have sought to understand how much water is ...