NASA is launching a hotly anticipated new mission to Jupiter's fourth-largest moon, Europa. Called Europa Clipper, the spacecraft will conduct a detailed study of the moon, looking for potential places where Europa might host alien life.

NASA and SpaceX have postponed the launch of the Europa Clipper mission due to Hurricane Milton threatening Florida's Space Coast with high winds and heavy rain. The spacecraft has been secured at Kennedy Space Center's Launch Complex 39A,

It's been a long time coming for this spacecraft, and Director of NASA's Jet Propulsion Laboratory says it's akin to a "modern cathedral."