Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA's Cassini spacecraft's ...

Mimas, one of Saturn’s smaller moons, gained its nickname after astronomers noticed a massive crater dominating its surface. The impact scar is so large that it gives the moon an uncanny resemblance ...

Saturn's moons Mimas (right) and Janus appear to hang silently in space as they orbit their ringed parent planet in this stunning photo from NASA's Cassini spacecraft at Saturn. The outer edge of ...