NASA Hubble Fellowship Program (NHFP) 2027 | Call for Applications

Applications are open for the NASA Hubble Fellowship Program, starting fall 2027. STScI administers this postdoctoral programme for NASA Astrophysics. Fellows become Einstein, Hubble, or Sagan Fellows based on research focus. Up to 24 fellowships will be awarded this cycle.

Program Snapshot

• Host Organization: Space Telescope Science Institute (STScI), for NASA
• Funding: Prize-level salary, plus health insurance, relocation, and research costs
• Duration: Up to 3 years, with annual renewals based on performance
• Eligibility: Any nationality, English-speaking, PhD after January 1, 2023
• Application Deadline: October 28, 2026, 7 PM EDT
• Reference Letters Due: November 4, 2026

Focus Areas

• Theoretical, observational, and instrumental astrophysics
• Fundamental physics of the universe
• Cosmic origins and structure formation
• Search for life beyond Earth

About the Fellowship

NHFP continues the legacy of NASA’s Einstein, Hubble, and Sagan programmes. Fellows choose their own US host institution for the appointment. Each institution can host at most two new fellows yearly. Host institutions must meet NHFP’s verified employment policy.

What Fellows Receive

Fellows receive a salary comparable to other elite prize fellowships. Health insurance, relocation costs, and travel funding are also covered. Computing services and publication costs receive dedicated support too. Fellows cannot accept extra pay from other appointments during the term.

Who Can Apply

Applicants need a PhD in astronomy, physics, or a related field. The degree must be completed on or after January 1, 2023. Any nationality can apply, provided the applicant works in English. Former NHFP fellows are not eligible to reapply.

Required Materials

Applicants submit their materials through the official application portal. Letters of reference follow one week after the main deadline. Referees must upload PDF letters directly, without an automated reminder email.

How to Apply

Apply online before October 28, 2026, 7 PM EDT.

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Conclusion

This fellowship offers prestigious, well-funded independence for early-career astrophysicists worldwide. Its flexible host-institution choice lets fellows build their ideal research environment. Applicants should notify referees early, since letters follow a separate deadline.

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