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 ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

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

In a nutshell Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly connected and spun together before separating into their ...

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 ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Pluto seemed hopelessly cold and distant ... The computer modeling doesn’t just explain the formation of the dwarf planet and its largest moon, either. “The compelling thing about this study ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

6, 2006, Pluto and the others were formally recategorized not as planets but as “dwarf planets” — objects ... rocky interior. A tiny moon, named Dysnomia after the mythological Eris ...

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

On this date, Jan. 19, 2006, the first probe ever destined to visit Pluto, its moons and other Kuiper ... on its nine-year journey to the icy dwarf planet. This mission marked the first time ...