• Overview: Annual contest for students (Grade 6–12) worldwide to design space settlement concepts. Individual or team participation.

This annual contest is for all students at up to 12th grade from anywhere in the world. Individuals, small teams of two to five, and large teams of six to twelve are judged separately. The contest was originally run by NASA Ames Research Center from 1994-2018, jointly sponsored by NSS for several years, and is now run exclusively by NSS. Several thousand students take part each year.