Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

Well, in the predawn hours of April 25 it literally will be thanks to a double conjunction that will see Saturn, Venus and ...

Discover interesting facts about Saturn, its rings and whether it could contain extraterrestrial life.

The trio is a rarity—and when all of its unusual traits are considered together, it is unique.