Nasa's old Galileo data reveals ammonia-bearing compounds on Europa's icy surface near fractured zones.

The NASA Juno mission has given deeper insights into the possible alien life on Jupiter's moon, Europa, and how it could lie ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...