Although those early theories centered around a planet dubbed “Planet X,” it wasn’t until much ... The post Scientists Detect a Possible Ninth Planet Beyond Pluto appeared first on weather ...

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within ... 4 rad dwarf planets that aren't Pluto "The icy worlds beyond Neptune trace how the ...

However, nearly 100 years later, the facility is best known as the home of Pluto. Lowell was searching for "Planet X," believed to be hiding on the solar system's outskirts beyond Neptune in an ...

There's also their famous dwarf-planet companion, Pluto. But this icy world may just be an appetizer to what lurks beyond in a region called the Kuiper Belt. As this stunning animation suggests ...