The growling list of mysteries surrounding Pluto just got longer. On Oct. 8, NASA released the first color photo of Pluto's atmosphere, and the shade they saw was anything but expected: "Who would ...

Pluto and its largest moon Charon orbit their mutual center of gravity (marked with 'x') in this still from the first color animation of Pluto from NASA's New Horizons spacecraft captured between May ...

WASHINGTONWASHINGTON — Spurned Pluto is changing its looks, donning more rouge in its complexion and altering its iceball surface here and there. Color astronomers surprised. Newly released Hubble ...

New Horizons scientists combined the latest black and white map of Pluto’s surface features (left) with a map of the planet’s colors (right) to produce a detailed color portrait of the planet’s ...

New Horizons has obtained impressive new images of Pluto and its large moon Charon that highlight their compositional diversity. These are not actual color images of Pluto and Charonthey are shown ...

The first color "movies" of Pluto as seen by NASA's New Horizons spacecraft reveal the sheer strangeness of the orbital dance between the dwarf planet and its largest moon Charon. In a new animation ...