Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

"The argument for recency is because mutual collisions should subsequently grind down the initially steep size distribution ...

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

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 ...

“These moons are a few kilometers in size and are likely all fragments of a smaller number of originally captured moons that ...

The discovery has raised a lot of questions. How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most moons? What are they going to call all these ...

Scientists believe that the moons are remnants of larger objects shattered by ancient collisions, a glimpse into the chaotic early solar system.

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...