The discovery of another moon around Pluto is exciting news for planetary science, but it's also likely causing some anxiety for the team in charge of New Horizons, a spacecraft set to be the first ...

Finally, a family portrait of Pluto is beginning to emerge! For the first time ever, astronomers have captured two never-before-photographed moons orbiting Pluto. NASA's New Horizons spacecraft ...

Sure, Pluto received a bit of a demotion when its status as a planet was called into question a few years ago, but that doesn’t mean it stopped giving scientists reasons to study it. And thanks to a ...

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Pluto, once considered the ninth planet, was reclassified as a dwarf planet in 2006 because it shares its orbital path with ...

Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests. New observations with the James Webb Space Telescope (JWST) show that the two moons, Nix and ...