It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

At the far reaches of our Solar System lies Pluto, a mysterious world shrouded in shadows and icy terrain. NASA’s latest ...

Before NASA's New Horizons probe flew past Pluto in July 2015, some scientists speculated that it would probably see an icy, cratered ball on the outskirts of the solar system. How wrong they were ...

Stunning new images of Pluto show towering mountain ranges made of ice, hinting that the dwarf planet may harbor geysers or ice volcanoes. The pictures were snapped by NASA's New Horizons ...

Pluto's surface is one of the coldest places in the solar system. Temperatures here can drop to around minus 375 to minus 400 degrees Fahrenheit (minus 226 to minus 240 degrees Celsius).

Pluto’s flowing ice: Toward the north of Sputnik Planum, dark swirls suggest that a surface layer of ice has flowed around obstacles and into depressions, similar to glaciers.

Launched in January 2006 on a 3-billion-mile journey to Pluto, New Horizons "phoned home" after its Pluto flyby, indicating that it had successfully navigated just 7,700 miles from the dwarf planet.

The James Webb Space Telescope (JWST), operated by NASA, has uncovered intriguing new details about Charon—Pluto’s largest moon—including the presence of ...

A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in a 2015 image. Now, researchers think they have solved the ...

Most of Pluto's surface is blanketed with methane and nitrogen ice, so the "tip-off that Kiladze is different" from rest of Pluto's surface is the strong presence of water ice around the crater, ...

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...