Pluto’s place in popular culture was cemented when it became the namesake of Mickey Mouse’s canine companion. Plutonium, a radioactive element discovered in 1940, was also named for Pluto.

Mickey and friends will be back with more fun in "Mickey Mouse Clubhouse+." The official synopsis is: "Incorporating memorable components like the Mousekedoer, Mouseketools and Toodles, "Mickey ...

Disneyland’s Mickey Mouse Clubhouse gets kids singing and dancing The new Disney Junior stage show debuts May 16 in Hollywood Land at Disney California Adventure.

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why Pluto isn't a planet.

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was reclassified as a dwarf planet in 2006.

The astronomers at Lowell Observatory in Arizona are showing Pluto some love on the 95th anniversary of its discovery, regardless of whether we call it a planet or not.

It confirmed the tiny planet harbored an ocean beneath its thick, icy shell. When did Pluto stop being a planet, and why? Pluto was always in a tough spot when it came to being a planet.

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's observatories.

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to the bottom of whether Pluto is a planet, I tracked down planetary ...