Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

Anyone who grew up learning that our solar system has nine planets probably remembers the moment Pluto got demoted. That ...

In 2006, Pluto was famously demoted from a planet to a dwarf planet. It remains the most famous dwarf planet today, but there are others in our solar system, including potentially hundreds that ...

Add Yahoo as a preferred source to see more of our stories on Google. Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities. These ...