It saw the discovery of dwarf planet Eris and how those very observations led to a new way to describe the Solar System and heralded the eventual change of Pluto’s planetary status. On that ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

For the first time, NASA scientists have found direct evidence ... Then, in 2006, Ceres was once again reclassified, this time as a dwarf planet — not quite a planet, but not quite an asteroid ...

Other dwarf planets in the region have been discovered in the years since Pluto’s reclassification, including Eris, Haumea and Makemake, all of which have their own moons, according to NASA.

Makemake shares our Solar System with four other dwarf planets; Ceres, Eris, Haumea and Pluto. Easily the most famous of the diminutive planets, Pluto was controversially downgraded to dwarf ...

“When they [NASA probe] flew by it ... one of the five officially recognized dwarf planets in our solar system, alongside ...

For the best experience, please enable JavaScript in your browser settings. NASA's Dawn spacecraft image of the limb of dwarf planet Ceres shows a section of the ...

Now officially labeled a “dwarf planet,” Pluto ... that Pluto should be considered a planet based on geological activity rather than orbital mechanics. NASA’s New Horizons mission revealed ...

A new animation shows the orbits of hundreds of dwarf planets beyond Pluto. The astronomer who compiled the data says it may capture just a small fraction of dwarf planets in the solar system.