Open · 22-624 · CFDA 47.049 · Discretionary

Astronomy and Astrophysics Research Grants

Federal grant opportunity posted by U.S. National Science Foundation, cataloged on Grants.gov.

Varies
Award range
Open
Status
66d
Days left
-
Expected awards

The verdict

Astronomy and Astrophysics Research Grants is an open discretionary opportunity from U.S. National Science Foundation, offering Varies by applicant. Applications close in 66 days. PlainGrants indexes 1,338 other opportunities from U.S. National Science Foundation.

Varies
award range
Open
66 days left
47.049
CFDA program
1,338
other opportunities from U.S. National Science Foundation

Open desk with published close date

Astronomy and Astrophysics Research Grants remains open until November 16, 2026 (66 days out). Award range Varies by applicant without a cost-share requirement. Parent CFDA 47.049 may carry future cycles if this NOFO closes unfunded.

According to Grants.gov (extract vintage 2026-08-10), this record reflects the officially published listing. See methodology.

Deadline tracker

66 days left to apply

Posted Aug 4 → closes Nov 16, 2026

Posted Aug 4 Closes Nov 16

Est. Total Funding

$50,000,000

Instrument

Grant

Description

The Astronomy and Astrophysics Research Grants (AAG) Program is an inclusive and flexible funding opportunity to support research in the astronomical sciences. The Program provides individual investigator and collaborative research grants for observational, theoretical, laboratory, and archival data studies in astronomy and astrophysics. The Program also considers proposals for projects and tools that enable or enhance astronomical research. Proposals may span multiple disciplines and/or areas of study and may utilize multiple techniques.

Catch-all / unrestricted eligibility mark · 22-624

Grants.gov marks Astronomy and Astrophysics Research Grants with a catch-all / unrestricted eligibility code (Unrestricted / see official listing). Read the official announcement text for the real applicant filter — the code alone is not a door list. The extract does not mark applicant cost-sharing as required. Instrument: Grant. Funding-activity code maps to Science and Technology / R&D (ST). This eligibility-code string dominates the U.S. National Science Foundation book (614 peers, 46% of 1,339).

Code 99
Unrestricted / see official listing

Codes are Grants.gov eligibility category values from the extract vintage 2026-08-10. Confirm the full eligibility statement on the official listing or the Grants.gov eligibility reference.

Official Listing on Grants.gov

View full details, application forms, and submission instructions.

View on Grants.gov

Parent Grant Program

CFDA 47.049

Mathematical and Physical Sciences

National Science Foundation

View program →

Agency Contact

NSF grants.gov support grantsgovsupport@nsf.gov

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What to do next

Astronomy and Astrophysics Research Grants is open with Varies by applicant awards and 66 days left on the clock.

  • Submit through Grants.gov (22-624) - verify SAM.gov registration and the current NOFO before drafting. Official listing
  • Mathematical and Physical Sciences indexes 210 Grants.gov listings in this extract. Program profile
  • U.S. National Science Foundation lists 1,338 other indexed opportunities on PlainGrants. Agency catalog

Opportunity deadlines and eligibility change on Grants.gov; PlainGrants mirrors the extract and is not the submission system.

Disclaimer: This information is sourced from Grants.gov and SAM.gov and is for informational purposes only. Opportunity details, deadlines, and eligibility requirements change frequently. Always verify current information directly on Grants.gov before applying. PlainGrants is not affiliated with any federal agency.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from the SAM.gov Assistance Listings and Grants.gov. See our methodology for details. Retrieved and formatted by PlainGrants