Jupiter hosts the brightest and most spectacular auroras in the solar system. Near its poles, these shimmering lights offer a ...

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

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

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 ...

Titan is quite unique in the solar system. It is Saturn's largest moon, even bigger than Mercury. Moreover, it has a rare feature: a thick atmosphere, which is uncommon among moons. When we think of ...

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

Orbiting Saturn lies a quiet enigma - Rhea, the second-largest of its moons. Discovered in 1672 by Giovanni Cassini, Rhea has ...

"JUICE will use the gravity of Venus this week to bend its orbit around the sun and gain speed relative to Earth without ...

NASA's Juno spacecraft has spied the final "auroral footprint" of a moon of Jupiter, meaning that it has watched as the moon ...

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