With tantalizing hints of a global salty ocean lying beneath a layer of fractured ice, Jupiter‘s moon Europa has been catapulted to the top of the list of suitable homes for ETs in the solar system. Now NASA has begun mapping out what a future mission to this intriguing worldlet may look like. A new...

With tantalizing hints of a global salty ocean lying beneath a layer of fractured ice, Jupiter‘s moon Europa has been catapulted to the top of the list of suitable homes for ETs in the solar system. Now NASA has begun mapping out what a future mission to this intriguing worldlet may look like. A new...