Other dwarf planets in the region have been discovered in the years since Pluto’s reclassification, including Eris, Haumea and Makemake, all of which ... former planet. Images showed the scarred ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

Ouch. Now officially labeled a “dwarf planet,” Pluto may have lost its title, but not our affection. After all, who doesn’t love a comeback story waiting to happen? To find out how Pluto ...