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

Triton is Neptune’s biggest moon, discovered in 1846 by William Lassell. What makes it fascinating is that it orbits backward (called a retrograde orbit), opposite to Neptune’s rotation.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

By comparison, Mercury, and Venus are moonless, Earth has one moon, and Mars has two. Uranus and Neptune have 28 and 16 known moons, respectively. Despite not technically being a planet anymore ...

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

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

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

"With current technology I don’t think we can do much better than what has already been done for moons around Saturn, Uranus and Neptune," said Ashton.