As part of its extensive slate of observations, the James Webb Space Telescope (JWST) recently took a closer look at Pluto’s ...

"We've just accomplished the most distant flyby." This first radio message ... and 1.5 billion km beyond even the dwarf planet Pluto which New Horizons visited in 2015. It's estimated there ...

When I asked readers on social media for suggestions about the coolest things they’ve seen in spaceflight during the last 25 years, I received hundreds of suggestions. To the best of my knowledge, not ...

New Horizons project manager. Ultima Thule, at 4 billion miles (about 6.4 billion km) from the Sun and 1 billion miles (about 1.6 billion km) from Pluto, will be the most distant object ever directly ...

Experts in France and the US say a snowman-shaped space rock called Arrokoth, in the outskirts of our solar system beyond Pluto ... the spacecraft New Horizons completed a flyby of Arrokoth ...

But with limited flyby time and most of its attention on Pluto and Charon, New Horizons didn’t reveal much more about the minor moons beyond their shapes, orbits, and basic surface composition.

Pluto's big moon Charon may have a different origin story than scientists suspected. New research suggests the two bodies ...

Pluto and Charon's origin story has been rewritten by a recent study, revealing they formed from a unique "kiss and capture" ...

Pluto and Charon’s meet-cute may have started with a kiss. New computer simulations of the dwarf planet and its largest moon suggest that the pair got together in a “kiss-and-capture” collision, where ...

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...