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 ...

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

For decades, the moon was seen as a barren, bone-dry world with no atmosphere, no liquid water, no magnetic shield, and extreme swings in temperature. The idea that it could ever support life seemed ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

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 ...