It is a big mission for NASA’s huge spacecraft the Europa Clipper. Traveling nearly two billion miles to Jupiter’s moon, Europa. The ship is NASA’s largest ever to travel through space on this one-of-a-kind mission.

For decades, an icy moon of Jupiter has been considered one of the most promising places to search for extraterrestrial life in the solar system. Thought to have an underground ocean and a potentially habitable environment,

A NASA spacecraft has blasted off on a quest to explore Jupiter's moon Europa and reveal whether its hidden ocean might hold the keys to life.