The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive Planet Nine — a hypothetical giant planet that may lurk in the far ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from ...

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

Albiorix: Discovered on November 9, 2000, by Matthew J ... the gravitational pull of the planet particularly strongly. The heat from Saturn may allow the moon's icy surface to melt slightly ...

Rubin Observatory starts to survey the night sky in late 2025. Related: Elusive Planet Nine could be surrounded by hot moons, ...

A team of scientists — including a Canadian from the University of British Columbia — have identified an additional 128 moons orbiting the ringed planet, bringing Saturn's total moon count to ...

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

Known as Planet Nine or Planet X, it is a hypothetical planet that has long been rumoured to exist in the outer solar system. Although "several claims to have found an extra planet have been made ...

Turns out, there’s a lot more floating around the planet Saturn than ... Why does Earth only have one moon and Saturn has nearly 300? First of all, Saturn is nine times wider than Earth, meaning ...

Aside from the moon, Mercury is the fastest-moving planet in the solar system. It retrogrades more than any other planet, which can affect the time it spends in each zodiac sign (typically ...

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