Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

And the new research may offer evidence for a subsurface ocean beneath Pluto’s icy crust. Charon and Earth’s moon are both a large fraction of the size of the main body they orbit, which is ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there. By Jonathan O’Callaghan Some 4.5 billion years ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly ...

The report, published in “Nature Geoscience,” describes how the minuscule dwarf planet could lure in Charon, a space rock nearly half its size, to orbit. The authors suggest that Pluto and ...

If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...

Mercury will join forces with Pluto in Aquarius, stirring up deeply profound revelations and unveiling shocking truths.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.