The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the ...

Pluto's snow-capped mountains look like they belong on Earth, but researchers have discovered that the snowy tops of these features are actually made of methane frost.

On Aug. 27, Venus will clash with Pluto retrograde, stirring up deep, transformative shifts in relationships and finances.

CBS and Pluto TV recently formed a new partnership, which will add a slew of TV shows to Pluto's line-up. A press release from ...

With a viral interest about 2/22/22 and the United States’ Pluto return, let’s dive into what this means for our nation — and the world.

It’ll be like sending a long-awaited interplanetary postcard to millions of people at once. Pluto is the most farflung system we will have explored.

How Pluto's Sputnik Planitia formed remains unknown, but researchers have imagined a body about the size of Switzerland crashing into Pluto at a shallow angle.

Like Titan, Pluto’s atmosphere is hazy, but for a different reason Simple organic ices dominate, rather than bigger organic molecules.

Objects like Ceres and Vesta, the largest asteroids in the asteroid belt, were demoted from “planet” to “minor planet,” in a foreshadowing of Pluto’s fate a century and a half later ...

Astronomers kicked Pluto out of the planetary club in 2006 because of its small size. But scientists set to explore the surface Tuesday via a spacecraft's camera say those other guys are just wrong.

Pluto has some characteristics less like that of a comet and more like much larger planets, according to the first analysis of Pluto’s interaction with the ubiquitous space plasma known as solar wind.