Go inside the final moments of NASA's Cassini mission, a 20-year project to explore Saturn and its moons; Cassini revealed the secrets of strange new worlds that could harbor alien life, changing everything we know about our Solar System.

Scientists on the hunt for extraterrestrial life suspect that it might be closer than we think: our very own solar system; using the latest discoveries, experts might, at last, confirm that our neighbors might harbor alien life.