Fifteen years ago, Pluto was kicked out ... lobby for a broader definition. The debate over classifying solar system objects reminds me of another classification challenge: categorizing the ...

After months of debate, an IAU executive committee proposed the definition that not only keeps Pluto but adds three ... UB313 would fall victim to the same classification. As for Ceres, it would ...

during the debate. “Anally pursuing such a goal is stamp collecting, not science.” His suggestion: “Grandfather in” Pluto’s planethood and class Xena and other similar-sized objects as ...

The probe’s revelations have revived debate about Pluto ... Both Morison and Byrne agree the IAU classification has had a scientific impact, and think Pluto and similar bodies should be ...

Ever since Pluto lost its standing as a planet in 2006, people have been ­fighting to get it back. Last month, a debate among three experts had some interesting results. Dimitar Sasselov ...

Pluto has pointed the way to the solar system’s third great class of planets ... Stern isn’t a dispassionate participant in this debate. He’s a longtime Plutophile, as well as the principal ...

(CNN)-- For one of the farthest, coldest places in the solar system, Pluto sure stirs a lot of hot ... nine --planets in the solar system. Today, debate still rages over how to classify the ...

WAYNESBORO - Almost 10 years years after Pluto was demoted from its planet status the debate continues over ... planets in the solar system to the classification of a dwarf planet by the ...

I blame the Pluto people for that. (This is what a debate among astronomers talking about the term ‘dwarf planets’ was like.) Philip Metzger: We would say that there are a lot of dwarf planets ...

But getting such widespread agreement about this, and about Pluto's "official" classification, will be a hard row to hoe. For example, astrophysicist and author Ethan Siegel argued in a piece for ...