For comparison, Earth's oceans have an average depth of around 2.5 miles (4 km). And it isn't just the abundance of water on Europa that makes it a promising target for habitability studies.

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

"We have the opportunity to go to a new place where we've never explored before in depth," said Dr. Gina ... Evidence suggests that Europa's vast ocean could contain essential life ingredients.

Europa's frozen, fissured surface, seen here in a colorized mosaic image from the Galileo spacecraft, hides a liquid ocean that may hold all the ingredients needed for life. Three key ingredients ...

NASA's Europa Clipper mission has made significant ... York': Can Elon Musk's £20B plan survive 5,500 meters of Atlantic depths? Project Stargate: Secret 1984 CIA files reveal pyramids and ...