The names Nix and Hydra have been approved for the two small satellites of Pluto discovered in May 2005. The International Astronomical Union (IAU), the internationally recognized authority for ...

While Pluto’s largest moon Charon has grabbed most of the lunar spotlight, two of Pluto’s smaller and lesser-known satellites are starting to come into focus via new images from the New Horizons ...

New Horizons already has sent historic images of the former planet itself and its nearby moon Charon, and the recently demoted ex-planet has not disappointed. There do not appear to be any homegrown ...

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 ...

Assembled into a seven-frame movie, the new images provide the spacecraft's first extended look at Hydra (identified by a yellow diamond ) and its first-ever view of Nix (orange diamond). Credit: NASA ...

School children will have to take the “P” out of whatever mnemonic they use to help them remember the solar system’s planet lineup. That’s because astronomers decided on Thursday to nix Pluto from the ...

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Pluto has had a rough few years. First, it lost its status as a planet. Now most of its tiny moons are acting like rebellious teenagers. Eric Mack has been a CNET contributor since 2011. Eric and his ...

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