"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: ...

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.

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 ...

We have a whole lot of weird moons in the Solar System. We have hot moons and cold moons. There's a moon with liquid and many moons that are dusty. One planet has a walnut moon, and another has potato ...

Neptune has 16 known moons, of which Triton is the largest. Interestingly it is the only large moon in our solar system with a retrograde orbit, which Triton orbits in the opposite direction of ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid ...

For the first time, astronomers think they've found solid evidence of a moon orbiting a planet outside of our solar system. And it's a doozy. The exoplanet, named Kepler-1625b, is 8,000 light ...

The solar system’s smallest, innermost planet will resemble a tiny ... Nearly a week after Fourth of July fireworks ...

Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than ...