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 ...

Space Matter is a weekly column that delves into space science and the mechanics of spaceflight. From the latest discoveries in the universe around us to the fits and starts of rocket test flights, ...

Anyone fuming over Pluto’s demotion from full-fledged planet to dwarf planet in 2006 will be happy to hear that there is still hope. Pro-Plutonians recently suggested a new definition of a planet that ...

A surprising number of people were outraged when a group of astronomers "demoted" Pluto from a planet to a dwarf planet in 2006. Passionate Earthlings launched protests and petitions. Popular ...

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 ...

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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 ...

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 ...

THE WOODLANDS, Texas — There's new hope for people who still believe that Pluto is a planet more than a decade after the International Astronomical Union (IAU) reclassified the object as a dwarf ...

A group of NASA scientists are proposing a new definition of the word planet that would reinstate Pluto’s status – and add tens of other bodies including Earth’s Moon and moons like Titan. The ...

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 ...