Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

The discovery of another moon around Pluto is exciting news for planetary science, but it's also likely causing some anxiety for the team in charge of New Horizons, a spacecraft set to be the first ...

When NASA's New Horizons spacecraft sped by Pluto in 2015, it revealed an incredible world of ice and haze carved by various geological processes — hinting that an ocean may have played a role in the ...

For decades, Pluto remained one of the most mysterious objects in our solar system, until July 14, 2015, when NASA's New Horizons spacecraft became the first mission to visit it up close, capturing ...

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was ...

Finally, a family portrait of Pluto is beginning to emerge! For the first time ever, astronomers have captured two never-before-photographed moons orbiting Pluto. NASA's New Horizons spacecraft ...

Pluto did in fact both bend and accelerate the trajectory of New Horizons when the spacecraft reconnoitered the dwarf planet in 2015, but only very slightly. There are three reasons the trajectory ...