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 ...

This photo of Pluto (right) and its largest moon Charon is the best visible-light photo of the dwarf planet ever taken from Earth. It was taken by the North telescope at the Gemini Observatory using ...

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 ...

In January of 2006, an Atlas rocket lifted off from Cape Canaveral Air Force Station in Florida carrying a NASA spacecraft with the intent to re-write what we know about Pluto.The last week has proven ...

After nine years, 3 billion miles and then 31 long hours after yesterday’s historic flyby, the first richly-detailed images of Pluto and its moons have been released. And it’s gorgeous. Images show ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. That might sound odd, but it's well within the consensus established by centuries of scientific ...

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 ...

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 ...

Tomorrow, when New Horizons makes its historic flyby of Pluto, it will be focusing in on just one face of the dwarf planet. In this latest photo captured by the space probe's black-and-white LORRI ...

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 ...