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 ...

“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 ...

"It's been 18 years since Pluto was demoted and we ... and if being round with moons (like Pluto is - it has five moons) is enough to qualify. Ultimately, scientists opted to demote Pluto to ...

Uranus and Neptune have 28 and 16 known moons, respectively. Despite not technically being a planet anymore, Pluto has five moons. The 128 new Saturnian satellites are all considered irregular moons.

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 ...