Cassini spacecraft finds possibility of alien life, then runs out of fuel

Scientists say discovery of ingredients for life on Saturn's moon Enceladus is bittersweet as spacecraft prepares to end 20-year mission

Could there be life in our own solar system?

This is the question posed by the discovery of hydrogen gas erupting in plumes from Saturn's moon Enceladus, indicating the likely existence of an energy supply for microbial life.