Charon and Pluto are locked in a celestial dance. The dwarf planet and its largest moon are not that dissimilar in size, and ...

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.

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 ...

Something on Pluto and one of Saturn’s moons, Titan, absorbs light in a way unexplained by anything in spectroscopic ...

Terrestrial planets experience landslides in spades, and so do some moons, asteroids and comets. But — until now — they’ve ...

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. NASA Administrator Jared Isaacman has stated his support for President Trump to take action to ...