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

In a nutshell Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly connected and spun together before separating into their ...

Writer David Pepose is still in the midst of his acclaimed Space Ghost comic run at Dynamite, and now he's turning his attention to rebooting another classic cartoon superhero into a modern comic ...

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Arrokoth, located a billion miles beyond Pluto, is one of the coldest places where we've directly measured the temperature.

Timing: Dusk after sunset, but before 9 p.m. local time There are eight planets in our solar system and one dwarf planet (Pluto). Because we live on Earth, the most we could see is a maximum of seven ...

CAPE CANAVERAL, Fla. — One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station ...

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So it really just isn’t big enough. So Pluto became what we now call a dwarf planet, along with Eris and along with a whole bunch of other objects similar to Eris that started to be discovered ...

Previously, scientists believed that Pluto and Charon formed from a massive collision, similar to the Giant Impact Hypothesis. According to this theory, a Mars-sized planet named Theia collided ...

In 2006, almost a decade after Tombaugh's death, the International Astronomical Union reclassified Pluto as a dwarf planet. The New Horizons mission carries some of Tombaugh's ashes on board as it ...