NASA’s Cassini mission discovered active geysers at the south pole of Saturn’s moon and after several flybys it was determined that an ocean lies beneath its icy surface that has the potential to support life. Exploration of the moon has ‘altered the way we think about where life may be found’ in the Universe, according to Cassini project scientist Linda Spilker. -- Looking for Life on Saturn's Moon Enceladus: Send a Flyby or Lander?:
Credit: NASA/JPL-Caltech