We now know Pluto much better, thanks to NASA's New Horizons mission, leaving CNET's Eric Mack to wonder how the former planet compares to our home rock. Eric Mack has been a CNET contributor since ...

Pluto has had a tough few years since losing its planet status. In the years since its demotion, NASA scientists found the trans-Neptunian object to be a colder, hazier hellscape than once believed, ...

Pluto's snow-capped mountains look like they belong on Earth, but researchers have discovered that the snowy tops of these features are actually made of methane frost. Pluto's snow-capped mountains ...

Poor little Pluto was much maligned in (some) scientific circles—that is, before the arrival last year of NASA’s New Horizons probe. First, its reputation as a planet was questioned; then it was ...

The evolution of Kuiper Belt objects, Pluto and its lone moon Charon may have something in common with Earth and our single Moon: a giant impact in the distant past. Boulder, Colo. -- January 27, 2005 ...

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

NASA selected two proposals Wednesday for possible fly-by missions to faraway Pluto, keeping alive the possibility it will launch a spacecraft to the yet-unexplored planet. The National Aeronautics ...

Pluto’s snow-capped mountains look like they belong on Earth, but researchers have discovered that the snowy tops of these features are actually made of methane frost. These mountains gather snow in a ...