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Most recent deadline was October 3, 2025. Annual cycle; next deadline expected fall 2026.
51 Pegasi b Fellowship is a grant from the Heising-Simons Foundation that supports early-career scientists conducting cutting-edge research in planetary astronomy. Each year, up to eight fellows receive three-year grants of up to $450,000 to pursue novel work in solar system science, exoplanet science, and closely related areas of planetary astronomy — using theory, computation, observation, instrumentation, or laboratory experiments.
Fellows may apply for an additional fourth year of support upon completion. Since 2017, the program has funded 66 scientists across 28 host institutions in the United States, offering fellows an annual summit for networking and professional development.
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Join the 51 Pegasi b Fellowship, a Vibrant Community of Planetary Astronomers - Heising-Simons Foundation Unlocking knowledge, opportunity, and possibilities Sustainable Work Practices The Heising-Simons Foundation focuses its grantmaking in five program areas Initiatives: Technology and Society The Foundation seeks to support organizations and institutions at the forefront of their fields Grantmaking By the Numbers For Interested Grantseekers Read the latest updates from the Foundation Join the 51 Pegasi b Fellowship, a Vibrant Community of Planetary Astronomers By Heising-Simons Foundation The 51 Pegasi b Postdoctoral Fellowship, awarded by the Heising-Simons Foundation, is accepting applications through October 3, 2025.
The fellowship advances fundamental understanding of solar system science, exoplanet science, and other closely related topics in planetary astronomy. Every year, up to eight early-career scientists of significant potential are awarded three-year grants of up to $450,000 to conduct novel research using theory, computation, observation, instrumentation, and/or lab experiments.
At the end of the fellowship period, fellows are able to apply for an additional year of support. Since 2017, the program has supported 66 fellows and expanded to 28 host institutions across the U.S. During the fellowship’s annual summit, current fellows and alumni come together to discuss scientific research, attend professional development sessions and expand their network. Learn more about the fellowship and how to apply here .
Read about what makes this fellowship special in our latest story, “ Beyond Funding: How the 51 Pegasi b Fellowship Provides Transformational Support to Researchers in Planetary Astronomy ,” featuring testimonials from current fellows and alumni.
Based on current listing details, eligibility includes: Early-career scientists in various scientific fields. Applicants should confirm final requirements in the official notice before submission.
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