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 —... Color images of Pluto released by NASA this year show ...

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 ...

It turns out that Pluto may have more going for it than even the blue-sky thinking scientists of New Horizons might have figured. Photos from the dwarf planet have revealed mountains and glacier flows ...

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 ...

The James Webb Space Telescope (JWST) has made another breakthrough discovery, and this time, its focus is the former planet Pluto. Insights from the JWST have helped researchers discover more about ...

CAPE CANAVERAL, Florida — 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 ...

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 ...