NASA Innovative Advanced Concepts (NIAC) Phase II

NASA Headquarters is seeking grant proposals for the NASA Innovative Advanced Concepts (NIAC) Phase II program, which supports advanced research and development of promising space technology concepts. The work would further develop the most promising Phase I concepts for up to two years and examine potential infusion paths within and beyond NASA. This Phase II Appendix is being issued under the Space Technology Mission Directorate’s SpaceTech-REDDI-2026 announcement, with no cost sharing required and an expected seven awards. The solicitation was anticipated on or about May 11, 2026, and the full announcement, including due dates, is available through NSPIRES; the listed NIAC contact is hq-niac@mail.nasa.gov.