Does Jupiter's moon Europa hide the answer to mankind's oldest question? It is now considered certain that an ocean of gigantic proportions is slumbering beneath the satellite's icy shell - and that it could even be home to life! Although we have known about the existence of the frosty celestial body for over 400 years, its greatest secrets still lie in the shadows. But now NASA finally wants to shed some light on the galactic darkness: The renowned space agency will be sending a space probe into the realms of Jupiter's moon in a few months' time - and soon after, it will even be diving into its extreme underwater world!