Astronomy and Astrophysics Research Grants (AAG)

Funding Agency:
National Science Foundation

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.

Submission Window Date(s):  October 1 - November 15, 2023;   October 1 - November 15, Annually Thereafter

Agency Website

Amount Description

Estimated Number of Awards: 100

About 100 projects will be funded per year, pending availability of funds.

Anticipated Funding Amount: $50,000,000

Estimated $50,000,000 in fiscal year 2023 for new and continuing awards, pending availability of funds.

Funding Type





Engineering and Physical Sciences

External Deadline

November 15, 2023