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 ...

The blue ring around Pluto is caused by sunlight scattering from haze particles common in Pluto's atmosphere; scientists believe the haze is a photochemical smog resulting from the action of sunlight ...

A high-resolution "false color" view of Pluto shows the dwarf planet's surface composition. New analysis shows that some of the bright red areas also include frozen water. Parts of Pluto's surface ...

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 planet in ...

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 planet in ...

A picture from NASA’s New Horizons probe reveals the blue color of Pluto’s atmospheric haze, as seen in a backlit view. Credit: NASA / JHUAPL / SwRI The latest pictures from NASA’s New Horizons ...

Pluto has blue skies and patches of frozen water, according to the latest data out Thursday from NASA's unmanned New Horizons probe, which made a historic flyby of the dwarf planet in July. Never ...

Color images of Pluto released by NASA this year show the dwarf planet has a reddish brown surface. But an even newer photo shows that despite those colors, Pluto's atmosphere has a blue haze. The ...