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Find similar grantsThis solicitation is for Phase II of the STTR program, funding awardees to help their technologies reach infusion and/or commercialization after successful completion of Phase I.
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Or search similar grants →According to the current listing, eligibility includes: Successful Phase I STTR awardees. Confirm the full requirements in the official notice before applying.
The current listing shows up to $850,000 for Phase II. Verify award ceilings, matching requirements, and allowable costs in the official notice.
Applications for 2025 NASA STTR Phase II Solicitation are due October 28, 2026. Build your timeline backwards from this date to cover registrations, approvals, and final submission checks.
2025 NASA STTR Phase II Solicitation is funded by NASA SBIR/STTR Program. Verify program details on the funder's official page before applying.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
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Research Opportunities in Space and Earth Science (ROSES) - 2025: A.4 Rapid Response and Novel Research in Earth Science is sponsored by National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD). This omnibus research funding opportunity includes various program elements, with rolling submissions for Earth Science research through August 2026. Proposers to Earth Science using the NASA Center for Climate Simulation high-end computing facility must include specific budget details.
ROSES 2025: A.4 Rapid Response and Novel Research in Earth Science is sponsored by National Aeronautics and Space Administration (NASA). This program element within the Research Opportunities in Space and Earth Sciences (ROSES) supports rapid response and novel research in Earth Science, which can include AI applications to make complex science data easier to find and to develop data-driven predictive modeling an…
For Program Year 2026, NASA replaced its single January SBIR/STTR solicitation with a Broad Agency Announcement that releases topics in appendices throughout the year — with proposal limits resetting each time. Phase I awards now run up to $225,000. Here is what the structural shift means, why it favors prepared companies, and how to build a year-round SBIR strategy around it.
Read articleNASA shifted its SBIR/STTR program from a single-cycle solicitation to a Broad Agency Announcement on April 17, 2026 — valid through September 30, 2027 — with subtopics released in rolling appendices. The structural change ends 41 years of predictable January-to-March deadlines and forces space startups to rebuild their proposal pipelines around continuous monitoring rather than annual sprints.
Read articleOn April 17, 2026, NASA released a SBIR/STTR Broad Agency Announcement valid through Sept 30, 2027 — replacing the legacy annual solicitation cycle with rolling appendices. The first two appendices closed May 21. A complete strategic analysis for space-tech founders adapting to the new model.
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