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

No – Pluto is technically a dwarf planet ... a study that suggested the standard for classifying planets is not scientifically sound. Metzger argues that planetary scientists use the word ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

song, Interplanet Janet. Upon the discovery of its existence in 1930, Pluto enjoyed decades of special status as one of the solar system's planets. Then, in the summer of 2006, Pluto was demoted.

Discovered in 1930, Pluto was the ninth planet for over 75 years, orbiting at the chilly fringes of our solar neighborhood. But then scientists at the International Astronomical Union decided ...

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute When the International Astronomical Union (IAU) demoted Pluto from a planet to a dwarf planet in 2006 ...

Although Seeing in the Dark doesn't directly discuss Pluto, it does celebrate the joy of observing planets. Viewers who watch the show may wonder what happened to Pluto in 2006 and whether any of ...

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 ...

Though Pluto has formally been considered a dwarf ... Mexico State University says that although "planet" and "dwarf planet" sound similar, comparing a dwarf planet to a planet is similar saying ...

When the International Astronomical Union (IAU) demoted Pluto from a planet to a dwarf planet in 2006, it surprised a lot of people, including some scientists. Even many years later, some ...