Pluto’s bright, mysterious “heart” is rotating into view, ready for its close-up on close approach, in this image taken by New Horizons on July 12 from a distance of 1.6 million miles (2.5 million ...

March 29 (UPI) --A merger of many ice volcanoes form Pluto's two mane mountains, a study published Tuesday in Nature Communications reveals -- and what they've found suggests the planet is an ocean ...

More heat under the dwarf planet's surface could even hint at the potential of life. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. An area of ...

At left, the "Cthulhu" region near Pluto's equator, at right the Alps on Earth. Two identical landscapes created by highly different processes. Disclaimer: AAAS and EurekAlert! are not responsible for ...