Since New Horizons' close encounter with Pluto 10 years ago, experts have come to think of the dwarf planet as much more ...

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.

(CNN) — For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and ...

Instead of a catastrophic destruction, they united briefly, spinning together like a cosmic snowman. This “kiss and capture” scenario led to the formation of Pluto and its moon, Charon, as we know ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

A spacecraft has beamed back some of the best close-up photos yet of Mercury’s north pole. The European Space Agency released ...

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Earth from space never disappoints. Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to ...

Astronomers have long been puzzled about Charon's origins. Now, a new theory may provide an answer. A paper published in Nature Geoscience on Monday explores how Pluto's largest moon, Charon ...