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 ...

Back in the 1980’s, a now-defunct magazine called Science Digest held a contest to name Planet X — the still-undiscovered world that astronomers believed might lie out beyond Pluto. One of the best ...

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 ...

The International Astronomical Union (IAU) announced Tuesday that names voted on by the public had been accepted for Pluto's fourth and fifth moons. Kerberos and Styx, formerly known as P4 and P5, ...

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 ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

MOUNTAIN VIEW, Calif. — If you have ever wanted a chance to make a name for yourself in astronomy, you now have an opportunity. Astronomers who were part of NASA’s New Horizons mission have discovered ...

William Shatner's had quite the colorful post-Star Trek career, a career that now includes not only being a spoken word poet but also naming one of Pluto's moons after Spock's home planet, Vulcan.

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...