Our vast expanse of outer space provides endless star, moon ... planet in the solar system, Mercury (seen as a very small dot ...

Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

the sun and the moon. PEOPLE's resident astrologer Kyle Thomas explains how early humans noticed repeating patterns in the stars. Upon studying them, he says they realized the planets' movements ...