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NSF Astronomy and Astrophysics Postdoctoral Fellowships (AAPF) — 2026 competition

Physics, Astronomy and Astrophysics fellowship from National Science Foundation

Call number NSF 22-621

Apply by Thursday, Oct 15

Closes in 4 days

Up to $110,000

About

Independent astronomy and astrophysics research is paired with a coherent education programme, including observational, theoretical, instrumental, laboratory or archival work. Full proposals close October 15, 2026, at 5 p.m. submitter local time.

Eligibility

Career stage: PhD · Postdoc

Apply directly

Covers: USD 110,000 annually for up to three years: USD 75,000 stipend and USD 35,000 research, education and fringe-benefit allowance.

Host location: United States

US higher-education institutions, NSF centres or eligible nonprofits; eligible international sites operated by US organisations are also permitted. NASA/DOE-funded hosts excluded.

Nationality or residence: US citizen, US national or lawful permanent resident required.

Eligibility sourceSource 2

Reviewed Oct 11, 2026. Check the funder’s full conditions before applying.

US citizens, nationals or lawful permanent residents with an appropriate doctorate within five years of the deadline, or completed by October 1 following it. Identify mentor and eligible host; one proposal per year and at most two reviewed competitions. NASA/DOE-funded hosts and work directly supporting NASA missions are excluded.

Topics

astronomyastrophysicsarchival workeducation programmefull proposalsOctober 15, 2026

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Source: nsf.gov

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