Thomas Mulligan reports on promising evidence of an ocean beneath Saturn’s moon Mimas, hinting at extraterrestrial seas.

Saturn’s smallest major moon, Mimas, looks like a solid block of ice, However, while it’s comparatively diminutive it just got a whole lot more interesting to scientists as they say that ...

Six of Saturn's moons—Enceladus, Epimetheus, Janus, Mimas, Pandora and Prometheus—make a faint appearance in this image. (Numerous stars are also visible in the background.) ...

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.

But on the flip side, Mimas may become the new Enceladus—the new coolest moon of Saturn—with deep cracks and maybe even jets of water. Hall: What are the big-picture implications of this research?

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.

Saturn’s moon Mimas, floating above the planet’s rings, might conceal a liquid ocean beneath its surface. Credit: NASA/JPL/Space Science Institute The outer solar system is awash with liquid ...

Saturn’s moon Mimas, floating above the planet’s rings, might conceal a liquid ocean beneath its surface. CREDIT: NASA/JPL/SPACE SCIENCE INSTITUTE ...

PARIS - Saturn's small moon Mimas seems an unlikely suspect in the hunt for life in Earth's backyard - it is probably best known for looking like th ...

This Feb. 13, 2010, image provided by NASA shows Saturn’s moon Mimas and its large Herschel Crater, captured by the Cassini spacecraft. (NASA/JPL-Caltech/Space Science Institute via AP) ...

Saturn’s moon Mimas may have an ocean of liquid water beneath its icy crust, suggests a recent study. Icy moons with oceans locked away beneath miles of ice are turning out to be fairly common ...

Saturn's moon Mimas has a giant impact crater, named Hershel, that stretches across a third of its surface and makes it resemble the "Death Star" from Star Wars.