Pluto was dismissed as a frozen has-been at the edge of the solar system. But when NASA finally got a close look, what they ...

Pluto is so far away from Earth that everything we know about it can be written down on a couple of 3 x 5 inch index cards. But Pluto will come into clearer focus in a few years' time, though, as NASA ...

Scientists announced the discovery of a new moon around Pluto today (July 11), bringing the dwarf planet's number of known satellites to five. The newfound Pluto moon was spotted by researchers using ...