Schoolkids nowadays are taught yet a different sacred fact – that there are only eight primary planets in our solar system, Pluto having been downgraded in 2006 to the vague status of a dwarf.

Pluto is indeed a planet — at least according to a recent and decidedly unofficial popular vote.

Search for Pluto's possible space replacement, 'Planet 9,' is heating up as astronomers search the skies beyond Mars and Neptune ...

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction.

Scientists Are Angry About 'Planet 9'—and It's Because of Pluto Published Aug 02, 2018 at 7:09 AM EDT Updated Sep 11, 2018 at 8:19 AM EDT ...

Is this bad news for 'Planet 9'? Pluto's hazy skies are making the dwarf planet even colder, James Webb Space Telescope finds For years, I didn't care about the fight.

Planet 9 from outer space 10 years ago 2:14 A 9th planet, beyond Pluto, hasn't been spotted yet, but appears to influence 6 Kuiper belt objects, scientists say comments ...

Last year, astronomers suggested that a gigantic planet, dubbed Planet 9, might be lurking on the fringes of the Solar System. Now researchers claim that weirdly wobbling objects in the Kuiper ...

CAPE CANAVERAL, Fla. >> Scientists reported Wednesday they finally have “good evidence” for Planet X, a true ninth planet on the fringes of our solar system.The gas giant is tho… ...

By studying the orbits of these objects, researchers might also be able to look for “Planet 9,” a Neptune-sized planet that some think could exist beyond Pluto.

Neptune was the last true planet to be discovered, in 1846. Although Pluto was discovered in 1930 it was downgraded to a dwarf planet in 2006, and Dr Brown played a key role in its reclassification.