New observations from NASA have revealed unexpected features on Charon, Pluto’s largest moon. The data suggests complex ...

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.

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 ...

It may look a little blurry, but the bright orange-tinted circle in the middle of the photo above is the first color image of Pluto and its largest moon, Charon. The image was taken by the Ralph color ...

Pluto, reveal thyself, and Earthlings, enjoy the show. On Tuesday, NASA's New Horizons spacecraft will sweep past Pluto and present the previously unexplored world in all its icy glory. It promises to ...

As NASA worries that China will win the next moon race, Elon Musk and his company tangled with critics. By Kenneth Chang NASA wants ideas of how to speed up the return of its astronauts to the surface ...