For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from ...

In a study published recently in Nature Geoscience, researchers unveiled a new theory explaining the formation of Charon, Pluto's largest moon. The team from the University of Arizona proposed ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

An curved arrow pointing right. NASA's New Horizons spacecraft took us to Pluto for the first time in July 2015. Scientists are astonished by the incredible features they've observed on the dwarf ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

Pluto and Charon orbit a shared center of mass, much like figure skaters spinning together, a result of their unique collision process. The collision deposited internal heat into both bodies ...

An curved arrow pointing right. See what's so weird about Pluto and its moons. Produced by Emmanuel Ocbazghi. Original reporting by Jessica Orwig. Follow BI Video: On Facebook More from Science ...

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