This article lists the top 7 largest moons in our Solar System, detailing their size, the planet they orbit, and key ...

NASA has spotted what looks like green rain on Titan, Saturn's largest moon. The moon seems to glow a green color, which is ...

On Saturn's largest moon, Titan, molecules that would never mix on Earth are mixing together, seemingly defying a fundamental ...

Recent findings suggest that one of Saturn’s icy moons may harbor a stable ocean capable of supporting life. This revelation ...

Astrobiologists have been searching the solar system for years, looking for environments that could support life or where it ...

Planetary scientist Adeene Denton runs computer simulations to investigate Pluto, the moons of Saturn and other icy bodies in the solar system.

The ocean on Ganymede may have more water than all the water on Earth. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on ...

If you do check out Jupiter with a small telescope on Sunday night, you'll see all four Galilean moons, with Ganymede and Io on one side of Jupiter and Europa and Callisto on the other. The ...