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, ...

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 ...

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 ...

We can often use our knowledge of planet Earth to explain the things we see on other worlds, although we may have to tweak the physics to account for a different temperature or a tenuous atmosphere.

Could there be life in Pluto’s liquid water ocean? If so, the “habitable zones” around distant stars where astronomers look for signs of life must be dramatically larger than anyone thought. If life ...

On July 14, 2015, NASA's New Horizons flew by Pluto. At a resolution of only 80 meters (260 feet) per pixel, Pluto was revealed at resolutions thousands of times better than Hubble. The mountains only ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON — Nearly three years after NASA’s ...

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 ...

It's a small world after all, because today, we're shrinking Earth to the size of Pluto. But if our planet was this tiny, how ...

When NASA’s New Horizons spacecraft zipped by Pluto at 31,000 miles (50,000 kilometers) per hour in July 2015, it captured a plethora of breathtaking photos of the distant dwarf planet’s surface.