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

By Will Dunham WASHINGTON (Reuters) -In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes ...

NASA’s Hubble Space Telescope reveals a longer day on Uranus than previously thought, correcting data from 1986 and reshaping ...

Astronomers confirm Uranus’ rotation period using ... This is the first such system identified near our region of the galaxy. With a combined mass of 1.56 solar masses, the stars are slowly ...

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