Pluto, once considered the ninth planet of our solar system, has been a topic of intrigue since its reclassification as a ...

The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the ...

Pluto isn’t alone in having water ice on its surface — measurements indicate that Nix and Hydra, two of Pluto’s five moons, are also covered with water ice.

Signs of ammonia on Pluto’s surface may hint at liquid water underground. NASA/JHUAPL/SWRI The New Horizons spacecraft, which flew past Pluto in 2015, is still making new findings.

The video below stitches together all of the highest-resolution images captured by New Horizons as it zipped past Pluto on July 14th, 2015. From a distance of 9,850 miles (15,850 kilometers), the ...

Charon could potentially keep Pluto warm, if the ocean had a high enough nonwater component to lower its freezing point, ...

The color image of Pluto published in the Science paper and obtained with the spacecraft's Multi-spectral Visible Imaging Camera (MVIC) reveals a wide range of colors across Pluto's surface--from ...

"I can add that Charon did not disappoint either." The New Horizons team also announced it was naming the "heart" shape on Pluto's surface, Tombaugh Regio, after Clyde Tombaugh, the discover of Pluto.

Researchers have also discovered that Pluto’s atmosphere is colder than they expected. Close to the dwarf planet’s surface, the temperature hovers around -387 degrees Fahrenheit (40 Kelvin).

The New Horizons team identified the potential volcanoes while assembling a topographic map that shows the bumps and dips of Pluto's surface in 3D. The Piccard and Wright mountains are broad ...

Tiny Pluto’s surface reveals big surprises This image taken during NASA’s New Horizons mission shows the mountain range on the edge of the Sputnik Planitia ice plain, with dune formations ...