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 ...

James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

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

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 ...

The humorous exchange between Musk and Shatner also reignited the long-standing debate about Pluto’s planetary status. Pluto, discovered in 1930, was originally classified as the ninth planet of ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006 ... Despite ongoing debate and public support for its reinstatement, the International Astronomical Union ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Despite the change, Pluto remains a beloved celestial body, and some astronomers still debate whether it should regain its planetary status. Yes. Clyde Tombaugh discovered Pluto on Feb. 18 ...

This decision sparked widespread debate among scientists and the public alike. So, what changed? Why did Pluto lose its planetary status? Let’s explore the reasons behind this significant shift ...

This sparked debate about Pluto's status in the planetary canon, which came to a head at a 2006 meeting in Prague. That year, the IAU tasked a small committee with creating a working definition of ...