Although still far from the high-resolution images we enjoy today, these enhanced maps gave astronomers a better understanding of the complexity of Pluto’s surface. “These results and the maps ...

In July, NASA's New Horizons spacecraft took us to Pluto for the first time. The photos the craft sent back so far have astounded researchers. New Horizons principal investigator Alan Stern says ...

When NASA's New Horizons spacecraft flew by Pluto in 2015, it returned images with a sweet surprise: a heart-shaped formation dominating the surface of the dwarf planet. Now, researchers believe ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

If you stood on Pluto's surface, the Sun would merely appear to be a very bright star. Although previous images showed that something was happening on Pluto, with an average temperature of -240C ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

As a result, this suggests evidence of glacier-like activity on Pluto's surface, the team reported ... indicated by the patterns in the photo below: "On Pluto, the kind of ices we think make ...

An curved arrow pointing right. After flying a space probe by Pluto for the first time last summer, NASA discovered an unusual "bite mark" feature on the surface. Produced by Jenner Deal.

Tombaugh's photos that led to the discovery of Planet ... with active processes creating fresh surfaces. The rugged surface of Pluto is younger than the Appalachian Mountains.

(Correction: An earlier version of this story misstated how far Pluto is from the sun ... The machine involved taking pairs of photos of the evening sky several nights apart and then using ...

"These images show that Pluto and Charon are truly complex worlds ... up of the ice on Pluto and Charon and how old some of their surface features (like craters) are. The image reveals that ...

On July 14, 2015, the New Horizons spacecraft, one of the most advanced ever built, is scheduled to fly by Pluto to take the very first detailed images ... s mysterious surface in unprecedented ...