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

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

Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo Observatory data. While not confirmed as alien messages, the findings keep hopes of ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...

Forbes contributors publish independent expert analyses and insights. I cover Hollywood and entertainment. Alien: Earth concluded its first season with its eighth episode on Sept. 23 and seven weeks ...