The search for extraterrestrial life is targeting Jupiter’s icy moon Europa

Europa Clipper launches in October, a spacecraft designed to unlock the secrets of Jupiter's moon, which holds twice as much water as all of Earth's oceans combined. “And that ocean has been there for 4 billion years. It's full of chemistry, it's full of energy, and maybe the ingredients for life.”

NASA’s Bold Quest To Discover Life on Jupiter’s Icy Moon Europa

Carbon dioxide gas spotted in atmosphere of Jupiter’s moon Callisto