Pluto's atmosphere has a blue haze, in a new photo from the New Horizons probe. But the particles causing that color are probably gray or red — and the planet's surface has red ice.

If someone asked you what color Pluto was, you’d probably describe it as a icy blue or gray, which is how it’s depicted in the vast majority of illustrations and renderings. But as NASA’s ...

This "snow" falls to Pluto's surface a reddish gray. What does Pluto look like? Since Pluto is so far from Earth, little was known about the dwarf planet's size or surface conditions until 2015, ...

But long before the Pluto “controversy,” other objects moved on and off the official list of solar system planets. Indeed, a kindergartener in the early 1800s would have learned that Ceres was ...

CAPE CANAVERAL, Fla. – The sky over Pluto may not be sunny, but it's undoubtedly blue. NASA's New Horizons spacecraft discovered Pluto's blue sky during the historic flyby of the icy dwarf ...

For decades after its discovery in 1930, Pluto looked like nothing more than a gray smudge in the abyss of space. We knew it was there—even knew its size and gravity—but, without better images ...

Pluto was the farthest, coldest, and darkest thing a child could imagine. We guessed how long it would take to die if we stood on the surface of such a frozen place wearing only the clothes we had on.

New Horizons launched in 2006 and flies by Pluto in July 2015. Skip ... The surrounding terrain shows higher elevations in yellow and lower elevations in shades of blue-gray. Join our Space ...

Pluto’s icy surface shows an astonishing variety of landscapes and evidence of active geological processes in images from New ... and across the bottom of the scene, gray-white methane ice deposits ...