By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Pluto is the tiniest planet in our solar system with a diameter of roughly 2,377 kilometers, making it even smaller than our ...

NASA said it’s the largest known glacier in our solar system. Images of Pluto’s icy heart have appeared on screensavers and T-shirts and have been shared by news media worldwide.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

NASA just released the latest photos of Pluto, and they reveal more complex features and diversity on the surface than scientists could have ever hoped to imagine. Here's one of the newest photos ...

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

The Pluto empire, complete with six bodies, at least for now, is like its own mini solar system. FORGET THE SUNGLASSES Pluto is so far from the sun - between 2.8 billion and 4.6 billion miles ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.