A large portion of the moon's surface may be covered with water. That is the surprising finding of a trio of spacecraft that have turned up evidence of trace amounts of the substance in the lunar soil.
Many scientists suspect water ice might lurk in permanently shadowed craters at the moon's poles, which play host to some of the coldest known regions in the solar system.
But new findings suggest that a small amount of water clings to lunar soil across the moon's surface. The first detection...Full Story