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.

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 ...

Pluto may be small, but it has one of the most unusual moons in the solar system. Charon is so big compared to Pluto that the two worlds orbit each other like a pair. In this video, we explain why ...

The moons are leftover shards from the crack-up that eventually took up orbits around the present-day Pluto. Outside of Charon, the biggest piece, the other four moons are only a few tens of miles ...

Using NASA’s Hubble Space Telescope to view the ninth planet in our solar system, astronomers discovered Pluto may have not one, but three moons. If confirmed, the discovery of the two new moons could ...

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 ...

NEW YORK (AP) — NASA’s Webb Space Telescope has identified new clues about the surface of Pluto’s largest moon. It detected for the first time traces of carbon dioxide and hydrogen peroxide on the ...

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 ...