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Fellowship, Call number NSF 22-621

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

National Science Foundation

  • Up to $110,000
  • PhD · Postdoc
  • United States
  • Apply directly
  • Astronomy, Astrophysics and
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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.

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Eligibility

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

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.

nsf.gov

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.

Source: nsf.gov