Check out the trailer for (and learn the origins of) Jeff Carlson’s The Frozen Sky, described thusly:
BENEATH THE ICE
Something is alive inside Jupiter’s ice moon Europa. Robot probes find an ancient tunnel beneath the surface, its walls carved with strange hieroglyphics. Led by elite engineer Alexis Vonderach, a team of scientists descends into the dark… where they confront a savage race older than mankind…
Based on the award-winning short story, The Frozen Sky is a new full-length sci fi thriller novel from the international bestselling author of Plague Year.