NASA’s Europa Clipper mission will perform 49 close flybys of Jupiter’s icy moon, where radiation levels reach 5,400 milliSieverts per day — lethal within hours. Beneath its frozen crust may lie a ...

Europa might not be the best place to look for alien life in the solar system after all. A new study modeling what the floor of the Jupiter moon's hidden ocean is like concluded that tectonic activity ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

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

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 ...