NASA invites multi-institutional teams to submit anonymous research proposals advancing lunar and Mars exploration for the Solar System Exploration Research Virtual Institute, with deadlines in September and December 2026.
NASA seeks Heliophysics Spaceflight Science Foundations proposals, with required Step-1 proposals due November 20, 2026, and Step-2 proposals due February 5, 2027.
NASA’s ROSES25: C.4 Planetary Science Enabling Facilities program is accepting proposals for planetary science facility support, due Nov 10, 2026, with dual-anonymous review and new research security training requirements.
NASA's Heliophysics Low-Cost Access to Space program seeks suborbital research payload proposals, with Step-1 due November 20, 2026, and required before Step-2, due March 16, 2027.
NASA’s ROSES-2025 A.15 Biosphere program invites two-step research proposals on biosphere topics, with Step-1 due Sept 4, 2026 and Step-2 due Nov 6, 2026, requiring research security training for key personnel.
NASA's 2025 Geosphere research opportunity requires mandatory Notices of Intent through NSPIRES by November 16, 2026; program-specific requirements are in the full solicitation.