Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Comparable in size to the country of Mexico and dominating one of Pluto’s hemispheres, Sputnik Planitia is likely the result of an impact — but few impact craters come in Sputnik Planitia's ...

scientists say that Pluto is likely to have water ice, geysers, and volcanoes. The ice mountains are 11,000 feet high, and the planet's surface does not have a single impact crater, indicating ...

Pluto and its moon's mountains and craters are being named after sci-fi heroesPluto and its moon's mountains and craters are being named after sci-fi heroes ...

For starters, we didn't know Pluto had craters until today. "We didn't really start seeing craters until the image released today - the pictures simply weren't sharp enough till now," Curt Niebur ...