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 ...

Solar system is a collection of various celestial bodies that are held together by the gravitational pull of the sun. Our ...

Titan, Saturn's largest moon, is a strange, alien world. Covered in rivers and lakes of liquid methane, icy boulders and dunes of soot-like "sand," its topography has long fascinated scientists and ...

The ocean hidden under the icy shell of Saturn's moon Enceladus harbors complex organic molecules, a study said Wednesday, offering further evidence that the small world could have all the right ...