I can be described as a dirty snowball because I’m made mostly of frozen water and dust. Some scientists believe that comets are responsible for bringing some water and organic molecules to Earth’s surface at the...

Mars, the red planet, is named after the Roman God of War, but he is a lover, not a fighter. This guy is one friendly Martian! I am the fourth planet from the Sun and Earth’s nearest planetary neighbor. I can pass as...

Moon is the Earth’s only natural satellite and loyally follows the Earth as they both orbit the Sun. I am held in orbit by a mutual attraction to Earth’s gravity. The ocean’s tides are a direct result of my...

Poor little Pluto is unlucky. He’s out on the edge of the Solar System. He's 3.6 billion miles from the sun. He's cold. He was recently reclassified as a Dwarf Planet and his birthday only comes round once every 248 years!...