While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest.

The eight largest moons in our solar system are Ganymede, Titan, Callisto, Io, Earth's Moon, Europa, Triton, and Titania.

Titan's shadow will fall on Saturn in the early hours of Sept. 20, one day before the world shines at opposition in Earth's ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

In 2005, ESA's Huygens probe landed on Titan, revealing the atmosphere, landscapes, and chemistry of Saturn's moon.

The dwarf planet Pluto and its five known natural satellites (Charon, Styx, Nix, Kerberos, and Hydra) may be frigid, but ...

NASA announced today that it's detected subsurface oceans on Ganymede, the solar system's largest moons, while earlier announcements point to hydrothermal vents on Enceladus, the small moon of Saturn.

Titan's shadow will fall over Saturn during the early morning hours of Sept. 4. Heads up stargazers! The shadow of Saturn's ...

Uranus's moons — what is unique about each moon and why do they orbit at a tilt?

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