Skywatchers are turning their attention to the final full moon of the year, as December is set to feature the 'Cold Moon.' According to the Royal Museum Greenwich, this popular moniker for the late-year lunar event reflects the arrival of winter.

Add Yahoo as a preferred source to see more of our stories on Google. Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in ...