Pluto, once considered the ninth planet of our solar system, has been a topic of intrigue since its reclassification as a dwarf planet. Recent observations suggest that its atmosphere is expanding, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A close up of Pluto's ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A composite of enhanced ...

NASA has released a map of Pluto's surface made from images recently taken by the New Horizons probe and it includes some quite mysterious features. Particularly notable is the lightened area shaped ...

FLAGSTAFF — As NASA’s New Horizons spacecraft zooms ever closer to Pluto, it is sending back images that make even seasoned scientists’ eyes go wide with excitement. “Like a kid in the candy shop,” ...

NASA explains Pluto's newly discovered "blue sky" and whether or not potential astronauts could ever witness an Earth-like sunrise. The New Horizons space probe sent back its first color images of ...

NASA explains Pluto's newly discovered "blue sky" and whether or not potential astronauts could ever witness an Earth-like sunrise. The New Horizons space probe sent back its first color images of ...