New images of Pluto snapped by the ... Everest in 1953. The frozen plains inside Tombaugh Regio -- the so-called "heart of Pluto" -- have been named Sputnik Planum after the first artificial ...

On Friday, NASA released a new image of Pluto's surface, revealing the icy plains that make up part of the "heart" first spotted ... seems young — probably no older than 100 million years ...