On Tuesday, Jupiter officially “gained” 10-12 moons.But that doesn’t make up for the dozens of moons the solar system has lost over time. Unlike the recent crop, the long lost moons were of ...

There's a new moon king in our solar system: 12 new moons were discovered around Jupiter, which makes it the planet with the most moons. Jupiter is already the biggest planet in our solar system.

"I think that there are probably about 10,000 moons in the solar system," Ashton said. But there is no telling how long it could take us to find them all. Editor's note: ...

Like all moons in the outer solar system, it's mostly made of water ice, but its surface is unusually dark. When Cassini flew past it measured its density to be 55% that of water — its interior ...

Our solar system is home to more than 200 moons. All the major planets, apart from Mercury and Venus, have moons, and dozens orbit around giants like Saturn and Jupiter. And while Earth's moon is ...

Unlike most of the other moons in the solar system, which are covered with craters, Io’s surface features hundreds of volcanic calderas, or large flat-floored depressions, many of which are ...

Earth's moon shines brightly in our sky, but it is not the only satellite in our solar system. Experts estimate there are as many as 170 to 180 moons orbiting the eight planets of our section of ...

Like all moons in the outer solar system, it's mostly made of water ice, but its surface is unusually dark. When Cassini flew past it measured its density to be 55% that of water — its interior ...

But of the nearly 300 moons found to date, not a single one is a ringed moon. This, actually, is weird. Of the eight planets in the Solar System, half have rings of dust and ice orbiting their ...

In our solar system, the impressive rings of Saturn, a planet around which more than 80 moons orbit, represent a relic of a primordial moon-forming disk, said study co-author Stefano Facchini of ...

Since there are more than 150 moons in our solar system, you might think that plenty of other worlds would be occasionally treated to such a celestial shadowing. But unlike Earth, our fellow ...