Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in 1930, at a time when astronomy still relied on patient observation and ...

Pluto takes 248 years to complete one orbit around the Sun, and in 2178 it will return to the point it occupied when it was ...

Add Yahoo as a preferred source to see more of our stories on Google. This image of Pluto was made after the New Horizons spacecraft flew past the dwarf planet on July 14, 2015, from a distance of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The discovery of the Kuiper Belt revealed thousands of icy objects near Pluto, challenging its status as a planet. After the discovery of Eris, astronomers formally redefined “planet” in 2006, leading ...

For the first time since its discovery in 1920, Pluto is entering the outer solar system—a journey that’s slowly thinning out its atmosphere.

Since it was stripped of planetary status, Pluto’s defenders have been fighting the decision – and they’re only getting more passionate ...