NASA's ROSES-2025 A.14 Atmosphere program invites proposals on atmospheric research, requiring a Notice of Intent by August 20, 2026, and full proposals by October 20, 2026, with dual anonymous peer review and research security training.
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.
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 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.