He called this hypothetical world "Planet X." "In some ways, Pluto's more of a planet than some of the other established planets, like Mercury." ...

And it’s as a dwarf planet that Pluto is taught to students today ... schoolchildren having to learn all their names. After all, kids don’t have to memorize every element in the periodic ...

If you answered "Pluto's planethood," your grasp of the astronomical is excellent. Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about ...

Therefore, the IAU says Pluto can't sit at the cool kids table with Venus and Saturn; its proper place is with bitch-ass dwarf planets like Quaoar, Sedna, and Orcus. Pluto's demotion was partially ...

Pluto was the little planet that could — until it couldn’t. Discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, Pluto was hailed as the ninth planet in our solar system.

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

On Feb. 18, 1930, the young astronomer Clyde Tombaugh discovered Pluto, considered for decades a planet and “demoted” to dwarf planet status in 2008. Following the discovery, Tombaugh traveled ...

They did, and the discovery of Planet X was announced on March 13, 1930. An 11-year-old English schoolgirl, Venetia Burney, suggested the name Pluto, the god of the underworld. Tombaugh’s ...

Kids, Local News, and En español. To help sort through it all, here's a list of the best Pluto TV streaming channels you should check out. Few movie genres are as purely pleasurable as the ...