Jupiter’s moon Europa is one of the most hostile environments in the solar system, blasted by radiation strong enough to kill a human in hours. Yet beneath its frozen surface may lie a saltwater ocean ...

Saturn's largest moon Titan has 'slushy tunnels' beneath its surface that could potentially harbour alien life, a new study shows. Scientists at NASA and the University of Washington have analysed ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

Scientists are proposing a new source of fuel for potential alien life on Europa: Radioactive elements seeping out of rocks and into the moon’s ocean, where it could generate enough energy to support ...

Scientists may need to broaden their horizons in their search for alien life.

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

The public could be frightened or skeptical. A lot depends on how scientists announce it—if they ever find life in space.