The Caltech Space Challenge (CSC) returned to campus March 23–27 after a four-year hiatus, bringing together 32 graduate students from around the world to design a dual-target space mission to visit Venus and a nearby comet. Despite being Earth's nearest twin in size and composition, Venus evolved into a world of crushing pressure and extreme heat. Understanding why remains one of planetary science's most pressing questions. Both NASA and the European Space Agency are developing missions to