PARIS: It’s an evocative idea that has long bedevilled scientists: a huge and mysterious planet is lurking in the darkness at ...

Elon Musk, under the username "Kekius Maximus," has joined William Shatner in advocating for Pluto's reclassification as a planet. Shatner playfully suggested Musk persuade the President via ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006 ... Pluto is still classified as a dwarf planet. Despite ongoing debate and public support for its ...

What was discovered in Flagstaff, Arizona, and killed off in Prague? If you answered "Pluto's planethood," your grasp of the ...

Instead, planets were loosely regarded as objects ... solar system later named the Kuiper Belt. This sparked debate about Pluto's status in the planetary canon, which came to a head at a 2006 ...

In a 2014 debate at the Harvard-Smithsonian Center ... astronomers voted to “demote” Pluto to dwarf planet status. These were astronomers at the meeting, not planetary scientists — a ...

It’s been 18 years since Pluto’s celestial status was called ... (This is what a debate among astronomers talking about the term ‘dwarf planets’ was like.) Philip Metzger: We would say ...

The declassification of Pluto changed everything we understood about the outer planets of the Solar System. Textbooks had to be changed and algorithms updated. But, the debate on whether Pluto ...

Debate rages about that ... the same IAU meeting in 2006 that demoted Pluto upgraded Ceres to dwarf planet status. It was ironic that while votes were had on the status of the two solar system ...