Europa, Jupiter’s enigmatic moon, may hide a vast, icy ocean with double the water of Earth. First hinted at by NASA’s Galileo mission, this subsurface ocean holds tantalizing potential for ...

It shows a close-up of Europa's chaotic landscape, which is evidence that something below the ... chunks of ice have likely been created by relatively recent surface movement.

Additional energy is supplied in the form of radiation from Jupiter, which would be a death sentence for simple life at the surface of Europa. Under the moon's protective ice shell, however ...