As long as animals and humans have roamed the Earth, our moon has captivated their attention and their imagination. That celestial body that sometimes conceals all but a thin sliver of itself from us, then slowly grows into a luminescent globe, gently soaks the night sky its soft blue-white glow. When it is not hiding behind a curtain of clouds, the moon reveals its battered and wrinkled surface to us. In those craters, folds and crevices, mystery...