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OpenOpportunity 22-624

Astronomy and Astrophysics Research Grants

U.S. National Science Foundation

At a glance

Astronomy and Astrophysics Research Grants is an open federal grant opportunity from U.S. National Science Foundation. Applications are due November 16, 2026. Total estimated funding is $50M. The notice is unrestricted by applicant type, subject to any clarifications in the notice. Cost sharing is not required. It is funded under Assistance Listing 47.049 (Mathematical and Physical Sciences).

Summary assembled from the official notice's fields. The official notice governs.

Key facts

Posted
Aug 4, 2022
Close date
Nov 16, 2026
Archive date
Dec 16, 2026
Award floor
Not specified
Award ceiling
Not specified
Est. total funding
$50,000,000
Expected awards
Not specified
Cost sharing
Not required
Funding instrument
Grant
Opportunity category
Discretionary

Who can apply

  • Unrestricted (any entity type)

Based on the published notice. Review the official notice for complete eligibility requirements.

What it funds

Official synopsis as published by the agency, formatted for readability.

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.

Additional information from the agency ↗

Assistance Listing

What is an ALN?

Reported obligations under ALN 47.049

Historical data · not a prediction
FY24$1.54B
FY25$1.54B
FY26$512M est.
Source: SAM.gov Assistance Listing 47.049. Program-wide totals, not awards from this specific opportunity.

Agency contact (as published)

U.S. National Science Foundation
grantsgovsupport@nsf.gov
703-292-4203

Quick answers

When is the deadline for “Astronomy and Astrophysics Research Grants”?

According to the official notice, applications are due November 16, 2026. Confirm the deadline and submission time on Grants.gov before applying.

Who is eligible to apply for “Astronomy and Astrophysics Research Grants”?

The notice lists eligibility as unrestricted — open to any type of entity — subject to clarifications in the notice's additional eligibility information.

How much funding is available through “Astronomy and Astrophysics Research Grants”?

Per the notice, total estimated program funding is $50,000,000.

How do I apply for “Astronomy and Astrophysics Research Grants”?

Applications are submitted through the official source, not through GrantsJunction. Open the official notice on Grants.gov (opportunity 22-624), and review the full announcement and application package. Organizations applying through Grants.gov generally need an active SAM.gov registration and a Grants.gov account, which can take several weeks to set up.

Matched on shared Assistance Listings, agency, categories and eligible applicant types.

Closes in 1 dayALN 47.049

Algebra and Number Theory

U.S. National Science Foundation
Award range
Amount not specified
Closes
Oct 9, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
Closes in 6 daysALN 47.049

Mathematical Biology

U.S. National Science Foundation
Award range
Amount not specified
Closes
Oct 14, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
OpenALN 47.049

Geometric Analysis

U.S. National Science Foundation
Award range
Amount not specified
Closes
Nov 3, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
OpenALN 47.049

Topology

U.S. National Science Foundation
Award range
Amount not specified
Closes
Nov 3, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
OpenALN 47.049

Applied Mathematics

U.S. National Science Foundation
Award range
Amount not specified
Closes
Nov 16, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
OpenALN 47.049

Plasma Physics

U.S. National Science Foundation
Award range
Amount not specified
Closes
Nov 16, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today