627 million km (390 million mi) from Earth, underneath the cold seas of Europa, a horrifying, and vastly intelligent creature lurks. Can our human minds even comprehend such an alien creature? It ...

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

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its ...