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 ...

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 ...

Saturn’s iconic rings will seemingly vanish from view on Sunday, March 23. The gas giant’s rings have been gradually tilting edge-on, as seen from Earth, for the past seven years, and this weekend, ...