With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

from the planet. However, they are very thin: The main rings have a height of only 30 feet (10 m), on average, according to NASA. The rings are named for the order in which they were discovered.

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...