You can save this article by registering for free here. Or sign-in if you have an account. A previously unknown dwarf planet circles through the far reaches of our solar system, the International ...

Known for now as 2014 UZ224, it joins a growing list of dwarf planets known in our solar system: Ceres, Haumea, Makemake, Eris and — most famous of all — Pluto Out beyond Neptune, past Pluto, through ...

For three-quarters of a century, schoolkids learned that our solar system has nine planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. But things changed nearly five ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

A new face has been added to the solar system's family portrait: Scientists have discovered a new dwarf planet looping around the sun in the region beyond Pluto. The dwarf planet, called 2014 UZ224, ...

In order to discover 2012 VP113, astronomers took three images of the night sky, each about 2 hours apart, and combined them into one. The first image was artificially colored red, the second green ...