A dwarf planet circling the sun out beyond the orbit of Neptune has been rechristened Makemake after a Polynesian god and designated the third of the solar system's new class of plutoids, the ...

Pluto now has a family of its own, after astronomers have struggled for years to give it a place among its celestial brethren. The International Astronomical Union announced June 11 that it has ...

The International Astronomical Union has decided on the term plutoid as a name for dwarf planets like Pluto at a meeting of its Executive Committee in Oslo. Almost two years after the International ...

Pluto's years-long identity crisis just got more complex today. The International Astronomical Union has decided on the term "plutoid" as a name for Pluto and other objects that just two years ago ...

Pluto, which was demoted from its planet status in 2006, has been reclassified as a plutoid. The term was decided by the International Astronomical Union at a recent meeting in Norway and applies to ...

Almost two years after the International Astronomical Union (IAU) General Assembly introduced the category of dwarf planets, the IAU, as promised, has decided on a name for transneptunian dwarf ...

Just as we were getting used to the idea that Pluto was not a full-fledged planet, but rather a “dwarf” planet, the International Astronomical Union has come up with a new twist. The IAU, which is the ...

The International Astronomical Union has decided on the term plutoid as a name for dwarf planets like Pluto at a meeting of its Executive Committee in Oslo. Almost two years after the IAU General ...