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

Pluto has not completed a single orbit since its 1930 discovery. With a 248-year journey around the Sun, the dwarf planet will finish its first full circuit in 2178.

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...

When NASA’s New Horizons spacecraft flew past Pluto in 2015, it revealed a world far more active and complex than scientists expected. Researchers later found evidence that a liquid ocean may exist ...

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 ...

Pluto’s thin, blue haze glows in this image from NASA’s New Horizons spacecraft. Though the dwarf planet is just a faint speck through a telescope, opposition this month offers skywatchers their best ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s. Reading time 3 minutes On July 14, 2015, NASA’s New Horizons spacecraft flew ...