The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Saturn was already the reigning champion in the moon department. Now, with 274, Saturn has more moons than all the other ...

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

Why are people annoyed by know-it-alls? Perhaps it's the arrogance of assuming one's position brought them to knowledge that ...

Charon, Pluto’s largest moon, has a tidally locked orbit. This means that if our crew can see Charon from where they landed, it will never move across the sky. Charon is also much closer to ...

a region of icy worlds beyond Neptune's orbit. It's one of the fastest-spinning objects in our solar system. Quaoar is a dwarf planet in the Kuiper belt, a region of icy bodies beyond Neptune. It has ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...