Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin atmosphere, but ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and the second-largest planet in the solar system, after Jupiter. Though ...

BepiColombo is slowly uncovering more and more fun facts about Mercury as it continues its preliminary mission. One of the more interesting things found so far is a magnetic "chorus" that appears ...

Made up of billions of objects, the Solar System has been studied for generations - but there is still so much to learn about it. Full of celestial bodies orbiting the Sun, the Solar System is roughly ...