The 2005 revelation set off a chain of events that led to Pluto’s still-controversial demotion from planet status the following year. But now, just as the Kuiper Belt effectively took a ninth ...
Dwarf planet Ceres is an unusual "inhabitant" of the asteroid belt. With a diameter of around 960 kilometers, it is not only ...
A dwarf planet hiding right in the middle of our solar system could be a surprising source of frozen water, astronomers reveal. A new study finds that Ceres, which sits in the asteroid belt ...