When you buy through links on our articles, Future and its syndication partners may earn a commission. This image of Pluto was made after the New Horizons spacecraft flew past the dwarf planet on July ...

Why does Pluto's orbit take so long? Pluto's orbit is not like those of the eight major planets, which are relatively circular. Instead, it is highly elliptical and tilted. At tim ...

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.

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of darkness; after all, Pluto is the Roman equivalent of the Greek God Hades.

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

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