"Beyond Pluto" --Scientists Identify a New Dwarf Planet in Our Solar System with a 1,100-Year Orbit

To date, only five dwarf planets --Pluto, Ceres, Eris, Haumea, and Makemake--have been officially recognized in the Solar System, but astronomers believe that there could be at least 100 more hidden in the Kuiper Belt - a chaotic region of...