Habitable Worlds Observatory Instrument Concept Assessments in NASA Research Announcement (NRA): RESEARCH OPPORTUNITIES IN SPACE AND EARTH SCIENCES (ROSES) 2025
| Agency | National Aeronautics and Space Administration |
| Contracting office | NASA Headquarters |
| Place of performance | See the notice |
| Type of notice | Special notice |
| Set-aside | None, open to all businesses |
| Response deadline | Oct 14, 2026 |
| Posted | Sep 3, 2026 |
| Solicitation number | NNH25ZDA001N-HWOICA |
| NAICS code | 54171, Research and Development in the Physical, Engineering, and Life Sciences |
Summary from the notice
Amendment #1 (09/03/2026): This Amendment adds the "2ndEmail" attachment which summarizes the following changes under ROSES-2025 Amendment 73: Section 3.3.2 has been updated regarding Collaborators on Category 2 proposals. It now allows that unfunded U.S.-based individuals involved in the proposed work may be included as Collaborators. New text is in bold in the ROSES Amendment 73. The due date remains unchanged: Proposals are due by October 14, 2026. In addition, the FAQ has also been updated. NASA will accept questions up until September 18, 2026. The attached PDF file labeled “1stEmail” is text that the NASA Solicitation and Proposal Integrated Review and Evaluation System (NSPIRES) sent to Science Mission Directorate (SMD) List Serv subscribers. This “1stEmail” attachment announces the release of the full text for NNH25ZDA001N-HWOICA as well as summarizes key information from the full text. Visit the link below labeled “NSPIRES page for NNH25ZDA001N-HWOICA” to download the full text. SMD may periodically clarify or amend the solicitation or add other supporting documents. Interested parties should regularly visit the HWOICA NSPIRES page to stay up-to-date on any such changes. In the event of a NASA funding lapse on or after 1 October 2026, please visit NSPIRES.
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