Pluto

Mountains on Pluto look strikingly similar to white-capped peaks on Earth, but these cold, alien mountains got whitened in a completely different way.

Skunk Bear's latest video celebrates the hundreds of pictures taken by the New Horizons space probe over the past decade.

New images of Pluto are beginning to arrive from NASA's space probe, and they're already allowing scientists to update what we know about the dwarf planet.

A spacecraft on its way to Pluto has just woken up from hibernation. By next month, scientists expect to have the first good pictures of the dwarf planet. All of the others have been, well, crummy.