Things have been a mess since Pluto's demotion. In 2006, the International Astronomical Union (IAU) voted on the definition of a planet. Famously, Pluto no longer met the criteria and was demoted ...

Nevertheless, because it orbited the Sun like a planet, it was classified as a planet and named Pluto, after the god of outer darkness in Roman mythology. So things stood for 65 years. Although ...

Then, in 2006, everything changed and astronomers from around the world declared the Pluto didn’t meet the criteria for being called a planet. The issue at hand was Pluto’s mass, which just ...

Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system A color-enhanced photo of Pluto that was captured by the New Horizons spacecraft in ...

Oct. 1, 2024 — Astronomers have detected carbon dioxide and hydrogen peroxide on the frozen surface of Pluto's largest moon, Charon, using observations from the James Webb Space Telescope.

Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever photos of Pluto in 2015, the dwarf planet's mysterious heart-shaped region has puzzled scientists.

An curved arrow pointing right. For one reason or another, some people are still upset about Pluto's demotion from planet to dwarf planet. This demotion, by the way, occurred all the way back in 2006.

Pluto, our power planet of seismic change, is stationing direct in the sign of the sea goat for the final time in our lifetimes. On Friday, Oct. 11, Pluto will go direct at a fateful 29 degrees of ...

NY Post photo composite Come on down to the underworld, folks — we’re talking about Pluto. Named for the maiden-snatching, shadow-dwelling god of the underworld, the small but mighty planet ...

An curved arrow pointing right. NASA's New Horizons spacecraft took us to Pluto for the first time in July 2015. Scientists are astonished by the incredible features they've observed on the dwarf ...

Pluto is making moves. When it awakens from a retrograde phase on Oct. 11, Pluto — the planet of death, rebirth and powerful people — will return to Capricorn, where it has been residing since ...