Published August 8, 2013 at 500 × 517 in Scientists Helped Design NASA Mission Concept to Search for Life on Europa Europa’s “Great Lake” discovered in 2011. Scientists speculate many more exist throughout the shallow regions of the moon’s icy shell. Credit: Britney Schmidt/Dead Pixel VFX/Univ. of Texas at Austin. (Visited 19 times, 1 visits today)