Now another moon appears to be secretly flooded. Saturn’s moon Mimas, known for its uncanny resemblance to the Star Wars Death Star, might harbor liquid water beneath its icy shell. If true ...

The image, released by NASA this week, was taken by the spacecraft on Oct. 23, when it was about 114,000 miles away from Saturn's moon Mimas. The small moon, which is known as Saturn's "Death Star ...