National Science Foundation offers several postdoctoral fellowship and other programs for individuals who have already earned their PhD.
Details for the following programs can be found at the NSF Fastlane website.
- East Asia and Pacific Summer Institutes for U.S. Graduate Students (EAPSI)
- International Research Fellowship Program
- Mathematical Sciences Postdoctoral Research Fellowships
- Minority Postdoctoral Research Fellowships and Supporting Activities
- MPS Distinguished International Postdoctoral Research Fellowships (MPS-DRF)
- NSF Astronomy and Astrophysics Postdoctoral Fellowships
- NSF Distinguished Teaching Scholar Program
- Postdoctoral Fellowships in Microbial Biology
- Postdoctoral Fellowships in Polar Regions Research
- Postdoctoral Research Fellowships in Biological Informatics
- Science and Technology Studies (STS)
NSF also offers a Guide to Proposal Writing to help you through the application process.