An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS.
A lock
()
or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Attention: Multifactor authentication is required to sign into Research.gov effective on Oct. 27, 2024. See Dear Colleague Letter (NSF 25-011).
Proposals that have been declined are not eligible for resubmission for one year from the original date of submission and must be substantially revised to be considered. A proposal that has not been substantially revised will be returned without review as per the Proposal & Award Policies & Procedures Guide (PAPPG).