You win some, you lose some: That truism goes for planets as well as presidents. Pluto may have lost an election at the International Astronomical Union's general assembly almost three years ago, but ...

The discovery of Pluto was announced on March 13. Pluto was labeled a planet when it was first discovered in the Percival Lowell Observatory by Clyde Tombaugh in 1930. Like me, you probably grew up ...

An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years. On February 18, 1930, just two weeks after his 24th birthday, Clyde Tombaugh ...

Exactly eighty years ago, Clyde Tombaugh (February 4, 1906 - January 17, 1997) discovered the elusive Planet X, which later became known as Pluto. Clyde Tombaugh wasn't your average planet hunter. At ...

KUSA - Wednesday marks 85 years since Clyde Tombaugh discovered the dwarf planet Pluto while working at the Lowell Observatory in Flagstaff, Ariz. This year will mark a new milestone in our history of ...

If cartoon characters were real, everybody would love to have the bouncy and friendly Pluto as their very own pet. And today, the much loved Walt Disney character, which was created in 1930, turns ...