ROSES25: D.8 Habitable Worlds Observatory Precursor Science Investigation

Deadline

Oct 26, 2026 (2 days left)

Who can apply

Others

Award range

Not stated

Expected awards

Not stated

Total program funding

Not stated

Your own money required

No cost sharing or matching required

Opportunity number

NNH25ZDA001N-HWOPSI

Posted

Jul 27, 2026

Assistance listing

43.001

More on who can apply

Proposers must be affiliated with an institution at nspires.nasaprs.com/ and, in general, NASA provides funding only to U.S. institutions. Organizations outside the U.S. that propose on the basis of a policy of no-exchange-of-funds; consult the NASA Grant and Cooperative Agreement Manual (GCAM) (https://www.nasa.gov/grants-policy-and-compliance-team/#Regulations) for specific details. Some NRAs may be issued jointly with a non-U.S. organization, e.g., those concerning guest observing programs for jointly sponsored space science programs, that will contain additional special guidelines for non-

What it funds

PLEASE NOTE: this program has MANDATORY Notices of Intent, which are due via NSPIRES by September 10, 2026. See the full posting on NSPIRES for details. NOTICE: Corrected, August 28, 2026. The Open Science and Data Management Plan was added to Table D.8-1 in Section 3.4. New text is in bold. The due dates remain unchanged. NOTICE: Amended July 27, 2026. This amendment presents a new program element in ROSES-2025. Mandatory NOIs (see Section 3.1) are due by September 10, 2026, and proposals are due by October 26, 2026. The 7-page limit to the S/T/M Section and required content of proposals to this program element differ in several ways from the defaults set in the ROSES-2025 Summary of Solicitation (see Section 3). NOTICE: Research security training required starting August 5, 2026. All PIs and any Co-Is that would spend ≥ 10% time on a proposed grants or cooperative agreements must certify they have taken research security training. NASA will be satisfied with the four online research security training modules on the National Science Foundation's (NSF) Research Security Training website at https://www.nsf.gov/research-security/training or the SECURE Center condensed version of the four modules at https://www.secure-center.org/ctm This synopsis is a generic summary that is posted for each of the many individual "program elements" in NASA’s Research Opportunities in Space and Earth Sciences (ROSES) – 2025 solicitation. For specific information on this particular program element download and read the PDF of the text of this program element by going to Tables 2 or 3 of ROSES at https://solicitation.nasaprs.com/ROSES2025table2 and https://solicitation.nasaprs.com/ROSES2025table3, respectively, click the title of the program element of interest, a hypertext link will take yo…

What to do next

1. Open the official notice on Grants.gov and download the full announcement (the NOFO) and any attachments.
2. Check you can apply: the eligible applicants above, and any detail in the notice's eligibility section.
3. Register your organization in SAM.gov (choose "all awards") and create a Grants.gov account; allow several weeks the first time.
4. Apply through Grants.gov exactly as the notice says, before Oct 26, 2026. Late applications are usually not accepted.

New to this? Applying for a federal grant, step by step · Register to apply · How to read the notice · Write the narrative · Build the budget · Agency contact: Megan.C.Ansdell@nasa.gov

From Grants.gov's official daily extract of Oct 25, 2026. The notice on Grants.gov and its attachments are what count. UX Contract is independent and not a government website.