Why did Pluto lose its planet status? What does it mean for the way we categorize celestial bodies? Join us as we unravel the ...

But why isn't Pluto considered a planet anymore? It starts with the definition of a planet — or lack thereof. Before 2006, there weren't strict criteria for a planet. Instead, planets were ...

When the International Astronomical Union (IAU) demoted Pluto from a planet to a dwarf planet in 2006, it surprised a lot of people, including some scientists. Even many years later, some ...

Nevertheless, because it orbited the Sun like a planet, it was classified as a planet and named Pluto, after the god of outer darkness in Roman mythology. So things stood for 65 years. Although ...

But why? Back in the early '90s ... And that last requirement boots Pluto off Team Planet. Yes, it orbits the sun. Yes, it's spherical. But Pluto isn't always the dominant gravitational force ...

And if you are still a Pluto-is-a-planet holdout, like we were, [Michael]’s argument that counting all the Trans-Neptunian Objects would lead to madness is pretty convincing. It sure would make ...

Vadimsadovski – stock.adobe.com Named for the maiden-snatching, shadow-dwelling god of the underworld, the small but mighty planet Pluto is associated with destruction, subversion, depth ...