Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests.

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an internal ocean? This is what a recent study presented at the 56th Lunar ...

Following the spacecraft's big revelation of just how enormous Pluto's moon Charon was in 2013, New Horizons is now within sight of all the known members of the Pluto system, according to NASA.

Today, let's talk about Pluto and Charon; these two have quite the story! Did you know that their 10-hour "intimate encounter" has shaken the field of astronomy to its core?

Pluto, once thought to be a frozen and lifeless world drifting on the edge of our solar system, may be harboring one of its ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

A fourth moon has been discovered in its orbit, not an easy thing to do because Pluto is not only the furthest planet from the Earth, but also has an elliptical (read "crazy") orbit. Yeah, we said it.

On Episode 176 of This Week In Space, Rod Pyle and and Tariq Malik are joined by Alan Stern to talk about what's next in deep ...

Their pairing with the moon on July 20 creates a picturesque scene, especially when viewed through binoculars, which frame the glittering stars and glowing crescent in the same field of view. Pluto at ...