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 ...

The Children's Museum of Indianapolis is set to open its newest exhibit, featuring one of the most popular children's shows of the last 20 years. The first-ever "Mickey Mouse Clubhouse" exhibit at the ...

It's been 18 years since Clyde Tombaugh, Pluto's discoverer, passed away — but on Wednesday the late astronomer got a birthday present that would have made him beam with joy: the closest close-ups ...

Pluto, the lovable cartoon character we all grew up with, celebrates his birthday on September 5. Here are some fun facts on the super cute doggy This lovable pet is known for his antics that are ...

Alan Stern encounters Kansas astronomer Clyde Tombaugh’s famous discovery of Pluto every day. Stern is the principal investigator of NASA’s New Horizons mission that launched on Jan. 19 to the small, ...

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 ...