One idea is that Pluto got its moon system when a massive object smashed into the dwarf planet. The resulting debris then formed into the moons. This hypothesis was nicknamed the “Big Whack.” ...

Here’s how it works. Charon is the largest moon of the dwarf planet Pluto, but calling it a moon is really a misnomer; Pluto and Charon actually form a binary system. Whereas a moon usually ...

The differences don’t end there—the researchers also argue that Pluto and Charon are less likely to behave like fluid during a collision. The dwarf planet and its moon “are quite small, so ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

A new study suggests that the origin of Pluto's largest moon was quite different than our own. Here's what you need to know.

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New research suggests that billions of years ago, Pluto may have captured its largest moon, Charon, with a very brief icy "kiss." The theory could explain how the dwarf planet (yeah, we wish Pluto was ...

The love story between Pluto and Charon may have started with a kiss. A new study suggests the dwarf planet and its scarcely smaller moon likely came together in a collision that saw them ...

Dwarf planet Pluto and our Earth are the only two worlds in our solar system with very large moons. These may have come about by a "kiss and capture" process, which preserves a moon's large size.

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with Charon billions of years ago. When you purchase through links on our site ...