Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of darkness; after all, Pluto is the Roman equivalent of the Greek God Hades.

As astronomers continue discovering unusual worlds beyond our solar system, many say the question that divided scientists in ...

If you lived on one of Pluto’s moons Nix or Hydra, you’d have a hard time setting your alarm clock. That’s because you could not know for sure when, or even in which direction, the sun would rise. A ...

Forbes contributors publish independent expert analyses and insights. Amanda Kooser covers the quirky side of science and space. Pluto has five moons, but Charon stands out from the rest. Charon is ...

Add Yahoo as a preferred source to see more of our stories on Google. This composite image of Pluto, right, and Charon, its largest moon, showcases photos captured by NASA’s New Horizons spacecraft in ...

In the Feb. 23 issue of the journal Nature, a team led by Dr. Hal Weaver of the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., describes its discovery of two new moons ...

Image taken by NASA's Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto.NASA / ESA Back in the 1980’s, a now-defunct magazine called Science Digest held a contest ...

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 ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there. By Jonathan O’Callaghan Some 4.5 billion years ago, ...

This composite image of Pluto, right, and Charon, its largest moon, showcases photos captured by NASA’s New Horizons spacecraft in July 2015. Credit: NASA / JHUAPL / SwRI Unlike how scientists believe ...