Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests.

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

Think you know Pluto? From icy plains to planetary debates, this quiz dives deep into the mysteries of our solar system’s most controversial—and captivating—dwarf planet.

With a diameter of 1,440 miles, Pluto is farthest from the sun. While major planets make roughly circular orbits, Pluto ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Today, let's talk about Pluto and Charon; these two have quite the story! Did you know that their 10-hour "intimate encounter" has shaken the field of astronomy to its core?

On August 24, 2006, Pluto ceased to be considered a planet. A mixture of rock and ice located in the Kuiper Belt, a region of icy objects beyond the orbit of Neptune. This demotion ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

September is upon us, and the astro weather is coming for us, folks. “September is one of the mightiest, game-changing months of 2025. It’s a huge wake-up call that brings ‘WTF?’ moments and surprises ...

THE Uranus “lunar gang,” a name given to the 28 moons of the 7th planet “recruited” its newest member currently designated as ...

September’s Full Corn Moon is eclipsed for some observers, Titan passes behind Saturn, and Mars moves north of Spica in the ...

Uranus, our planet of liberation through destabilization, is going retrograde in Gemini, and three signs will feel the ...