To some people, Pluto's demotion from planet to dwarf planet status in 2006 was one of the most devastating astronomical losses since the death of Spock. But a new study suggests Pluto should (also ...

In 2006, the International Astronomical Union (IAU) voted on the definition of a planet. Famously, Pluto no longer met the criteria and was demoted to a dwarf planet. Things have been a bit of a mess ...

PRAGUE, Czech Republic – Pluto, beloved by some as a cosmic underdog but scorned by astronomers who considered it too dinky and distant, was unceremoniously stripped of its status as a planet Thursday ...

PRAGUE, Czech Republic ” For decades, it’s been confused with a cartoon dog and ridiculed as a puny poser. Now Pluto, the solar system’s consummate cling-on, has suffered its worst humiliation: It’s ...

If you’re someone who is still upset about Pluto’s planetary demotion from more than a decade ago, then an upcoming debate about the definition of the word “planet” may be of interest to you. One of ...

Will Pluto have the last laugh? A group of NASA scientists hopes so. A group of members of the New Horizons mission to Pluto are making the case to redefine what constitutes as a planet to be more ...

Hey, remember Pluto? Of course you do! When most of us were brought up in school we learned that there were nine known planets in the Solar System, and Pluto was the one that hung out on the outskirts ...

Hi folks, tune in every week of 2023 for the best in astronomy from Astronomy Editor Dave Eicher, brought to you by Celestron. Dave’s weekly video series will cover all the latest sky events, ...

Though many bodies in the solar system met this requirement, only Ceres and Eris would be made new planets; Pluto and its moon Charon would be called a binary planet system. The group also suggested a ...