Evidence of water in lunar rocks: Water on moon may be widespread, similar to Earth's

Evidence of water in lunar rocks: Water on moon may be widespread, similar to Earth's: "ScienceDaily (July 22, 2010) — That dry, dusty moon overhead? Seems it isn't quite as dry as it's long been thought to be. Although you won't find oceans, lakes, or even a shallow puddle on its surface, a team of geologists at the California Institute of Technology (Caltech), working with colleagues at the University of Tennessee, has found structurally bound hydroxyl groups (i.e., water) in a mineral in a lunar rock returned to Earth by the Apollo program."