Pluto, humanity's favorite dwarf planet, is getting some high-profile allies. "Star Trek" actor William Shatner wants to use ...

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 executive ...

I blame the Pluto people for that. (This is what a debate among astronomers talking ... Maybe let’s start with the criteria for planet status. Philip Metzger: In 2006, the IAU decided, number ...

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 ...

On July 11, 2012, a fifth moon, Styx, was discovered (with an estimated width of 6 miles or 10 km), further fueling the debate about Pluto's status as a planet. The leading hypothesis for the ...

This sparked debate about Pluto's status in the planetary canon ... a small committee with creating a working definition of a "planet." They landed on three criteria: It must orbit around the ...

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 ...

Best things to do if you're staying in town Pluto is Arizona's official state planet Regardless of the debate about its status, Pluto is Arizona's official state planet. In March 2024, Arizona Gov.

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest ...

This story is part of Short Wave's series Space Camp about all the weird, wonderful things happening in the universe. Check out the rest of the series. If you were born in the last century you ...

(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague?