Water on moon may be more common than previously thought

Hidden pockets of water on the moon could be much more common than scientists previously thought, and the discovery could have potential implications for future lunar missions. Researchers suggest that in some cases tiny patches of ice might exist in permanent shadows no bigger than a penny. They explored phenomena on the moon called cold traps, which are shadowy regions of the surface that exist in a state of eternal darkness. It is thought that many have gone without a single ray of sunlight for potentially billions of years. Now scientists say there may be a lot more of these...