NASA's New Horizons probe flew closer to Pluto than any Earth-craft ever has Tuesday, sending back amazing photos of the dwarf planet. Photos of Pluto leading up to the New Horizons flyby Before ...

NASA's New Horizons probe flew closer to Pluto than any Earth-craft ever has Tuesday, sending back amazing photos of the dwarf planet. To read more stories about space, click here.

Pluto’s mysterious far side may conceal towering ice formations, according to research offering clues about the dwarf ...

Giant, ridge-like structures of methane ice, known as "bladed terrain," may be much more abundant along Pluto's equator than ...