For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

JWST confirms Pluto’s haze cools its mesosphere and drives methane escape, coating Charon’s poles red. The haze absorbs UV light, heats the upper atmosphere, and re-radiates heat as infrared.

Many people hold Pluto close in their hearts and refuse to abandon the assertion that it is a planet, although science ...

Simultaneously cooling Pluto while energizing atmospheric molecules to allow them to escape into space, Pluto's haze plays a key role in the planet's energy balance.

NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

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

One hypothetical trade proposal has the approval of veteran cleveland.com columnist Terry Pluto. The exchange came during the latest Terry’s Talkin’ podcast when host David Campbell mentioned ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have ...

The theory puts the planet at around the same size as Neptune, far past Pluto somewhere near the Kuiper Belt, where 2017OF201 was located. If it exists, it is theorized to have a mass of up to 10 ...