Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

The names Nix and Hydra have been approved for the two small satellites of Pluto discovered in May 2005. The International Astronomical Union (IAU), the internationally recognized authority for ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Two white specks appearing next to Pluto in ...

Pluto may be small but its icy surface and hidden ocean make it one of the most intriguing worlds in the solar system.

Pluto's small moons are starting to come out into the light. The most jaw-dropping photos captured by NASA's New Horizons spacecraft during its historic July flyby of Pluto depict the dwarf planet or ...

And most bodies way out there are likely pristine, primordial relics. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pluto's distant realm is a ...