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 ...

A massive upheaval in the Saturnian system could have also led to the moon Hyperion.

The space agency has learned a lot over 10 years observing the weather of our solar system's outer planets. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

To meet the challenge of putting a man on the Moon, the Apollo space program needed a rocket more powerful and advanced than any that had ever been seen before. The final result was the Saturn V, the ...