Supplement FOAs
AgencyTitleFOADescriptionFunding AmountEligibilityNext DeadlineOpportunity TypeExpiration DateDivisionActiveModifiedRCC
 Collaboration powered by Smartsheet   |   Report Abuse
1NSF
Dear Colleague Letter: ExLENT and ATE Supplement Opportunity “Expanding AI Career and Skilled Technical Workforce Opportunities in Support of High School Students”
NSF 25-034Invites supplemental funding requests from current ExLENT and ATE awardees for education-industry collaboration supporting AI-focused career and skill building learning opportunities for high school students.Existing ExLENT and ATE awardees12/15/25Enhanced Programs12/15/2508/22/25 2:44 PM
2NIH
Revision Applications for Validation of Biomarker Assays Developed Through NIH-Supported Research Grants (R01 Clinical Trial Not Allowed)
PAR-24-304The applicants should propose projects that are expected to accelerate the pace of translation of NCI-supported methods/assays/technologies (referred to as "assays") to the clinic. Specifically, the focus of applications submitted in response to this NOFO should be on the adaption and clinical validation of molecular/cellular/imaging markers (referred to as "markers" or "biomarkers") for cancer detection, diagnosis, prognosis, monitoring, and prediction of response in treatment, as well as markers for cancer prevention and control.$150,000 per yearActive NCI R01 awards with 2 years left at estimated time of award02/13/26Research Scope10/15/26CCCtrue10/10/25 7:38 AM
3NSF
Dear Colleague Letter: Cultural Anthropology Research Experience for Graduates (REG) and Research Experience for Undergraduates (REU) Supplements
NSF 22-039To advance the integration of research and education, the Cultural Anthropology program in the National Science Foundation's (NSF) Directorate for Social, Behavioral, and Economic Sciences (SBE) invites researchers holding existing NSF awards to request a Research Experience for Graduates (REG) or Research Experience for Undergraduates (REU) Supplement.$6,000 per studentExisting SBE awards03/01/26Research PersonnelSSD02/28/25 9:31 AM
4NSF
Dear Colleague Letter: U.S.-UK Center-to-Centre Collaboration Opportunities for Artificial Intelligence and Quantum Information Science and Technology
NSF 25-039Encourages supplemental funding requests from current awardees of large-scale NSF investments in the areas of AI and quantum information science and technology (QIST) to facilitate collaboration with UKRI AI Hubs and UKRI Quantum Technology Research Hubs.$500,000Existing NSF AI or Quantum Centers03/01/26Enhanced ProgramsPME
PSD
true09/18/25 9:14 AM
5NIH
Method to Extend Research in Time (MERIT) Award Extension Request (Type 4 eSubmission Clinical Trial Optional)
PAR-25-324The National Cancer Institute (NCI) Method to Extend Research in Time (MERIT) (R37) Award provides extended grant support to Early Stage Investigators (ESIs) who qualify for conversion based on receiving a percentile within the NCI payline for established investigators on their R01 applications.Direct costs in final yearActive NCI R37 awards; due in penultimate year of award03/01/26Research Scope09/08/28CCCtrue10/30/25 7:28 AM
6NSF
National Science Foundation Translation to Practice-Explore (NSF TTP-E)
NSF 25-540NSF TTP-Explore (NSF TTP-E) is a pilot track that is likely to be the first step for researchers seeking to translate their basic research to practice. To be eligible for the NSF TTP-E track, proposers must have an active, eligible, NSF research award (see Eligibility Information for further details). The NSF TTP-E track provides the opportunity to obtain an extension of the initial award period of a current NSF award for up to two years in order to offer investigators an opportunity to explore adventurous, high-risk, use-inspired research and initial translational activities not covered by the original research award.$600,000Active NSF award with a year remaining04/01/26Research ScopeBSD
PME
PSD
true07/16/25 7:11 AM
7NSF
Dear Colleague Letter: Non-Academic Research Internships for Graduate Students (INTERN) Supplemental Funding Opportunity
NSF 21-013Provide graduate students with experiential learning opportunities through research internships to acquire core professional competencies and skills to support careers in any sector of the U.S. economy.$55,000 per student for 6-month periodActive NSF award04/15/26Research PersonnelBSD
Booth
Crown
Harris
Humanities
PME
PSD
SSD
04/14/25 10:56 AM
8NSF
Dear Colleague Letter: Research Internships for Graduate Students at Air Force Research Laboratory (NSF-AFRL INTERN) Supplemental Funding Opportunity
NSF 21-029The PI or co-PI of an active NSF award may request supplemental funding for one or more graduate students to gain knowledge, skills and experiences that will augment their preparation for a successful long-term career through an internship at the AFRL.$55,000Existing NSF awards04/15/26Enhanced ProgramsBSD
Booth
Crown
Harris
Humanities
PME
PSD
SSD
04/14/25 10:56 AM
9NSF
Dear Colleague Letter: Non-Academic Research Internships for Graduate Students in Geothermal Energy Supplemental Funding Opportunity (Geothermal INTERN)
NSF 23-024The NSF and DOE's Office of Energy Efficiency and Renewable Energy (EERE) have established a partnership to support internship and training opportunities to meet these strategic objectives with a focus on geothermal energy, technology, and application areas.$55,000Active GEO awards04/15/26Enhanced ProgramsPSD04/14/25 10:56 AM
10NSF
Dear Colleague Letter: Research Internships for Graduate Students at U.S. Army Combat Capabilities Development Command Army Research Laboratory (DEVCOM ARL) or Ground Vehicle Systems Center (DEVCOM GVSC) Supplemental Funding Opportunity (NSF-DEVCOM INTERN)
NSF 24-071The Principal Investigator (PI) or co-PI of an active NSF award may request supplemental funding for one or more graduate students to gain knowledge, skills and experiences that will augment their preparation for a successful long-term career through an internship at the DEVCOM ARL or DEVCOM GVSC.$55,000Active NSF awards04/15/26Enhanced ProgramsBSD
Crown
PME
PSD
SSD
true04/14/25 10:56 AM
11NSF
Dear Colleague Letter: Non-Academic Research Internships for Graduate Students in Hydrogen and Fuel Cell Technologies (Hydrogen INTERN) Supplemental Funding Opportunity
NSF 24-087Encourages supplemental funding requests to provide graduate student internship and training opportunities focused on hydrogen and fuel cell technologies to foster the growth of a competitive and diverse research workforce.$55,000Active NSF awards on hydrogen or fuel04/15/26Research PersonnelPME
PSD
true04/14/25 10:56 AM
12NSF
Dear Colleague Letter: CHE FY22 International Supplement
NSF 22-070The Division of Chemistry is inviting requests for supplemental funding from its existing awardees who may wish to add a new, or strengthen an existing, international dimension of their research supported by an award from the Division, when an international collaboration advances the field of chemistry and enhances the U.S. investigator's own research and/or education objectives.The budget can cover only the costs for the U.S.-based investigators (including students) engaged in the international collaboration, which may include travel expenses and research-related expensesActive CHE award05/01/26Research ScopePME
PSD
04/29/25 1:10 PM
13NSF
Dear Colleague Letter: International Collaboration Supplements in Quantum Information Science and Engineering Research
NSF 22-108With this Dear Colleague Letter, NSF invites requests for supplemental funding from existing quantum information science and engineering research awardees to add a new -- or strengthen an existing -- international dimension to their award.Active award in quantum information science and engineering05/01/26Research ScopePME
PSD
04/29/25 1:10 PM
14NSF
Dear Colleague Letter: Exploring Task-based Interactions between Human and Synthetic Actors
NSF 23-156With this Dear Colleague letter (DCL), the Division of Civil, Mechanical and Manufacturing Innovation (CMMI) of the Directorate for Engineering (ENG) invites the submission of EArly-concept Grants for Exploratory Research (EAGER) proposals, as well as supplemental funding requests to existing NSF awards, in support of research on the performance of novel and important tasks that require sensorimotor interaction between human and synthetic actors: that is, physical interaction that also involves sensing through one or more modalities.$150,000 or 20% of parent awardActive awards in certain CMMI programs, with at least 12 months left05/01/26Research Scope04/29/25 1:10 PM
15NSF
Dear Colleague Letter: Use-Inspired Creativity Extension for the Bioeconomy (UICREX-Bioeconomy)
NSF 24-133With this Dear Colleague Letter (DCL), NSF invites existing awardees in selected clusters/programs/divisions within the Directorates for Biological Sciences (BIO) and Mathematical and Physical Sciences (MPS) to explore the Use-Inspired Creativity Extension for the Bio-economy (UICREX-Bioeconomy) to extend funding for research awards that have the potential to be translated into commercial activities in the U.S. bio-economyUnspecifiedActive awards in specified programs05/01/26Research ScopeBSD
PME
PSD
true04/29/25 1:10 PM
16NSF
Dear Colleague Letter: NSF-NIH Pathfinder Supplements on Quantum Sensors for Biomedical Science
NSF 24-086Encourages supplemental funding requests from current NSF recipients to support research activities in quantum sensors and biomedical science.20% of original awardActive NSF awards on quantum sensing05/04/26Research ScopePME
PSD
true05/01/25 8:00 AM
17NSF
Dear Colleague Letter: Supplemental Funding Requests to Conduct Experimental Research on the NSF-funded Platforms for Advanced Wireless Research (PAWR)
NSF 24-100With this Dear Colleague Letter (DCL), the National Science Foundation's (NSF) Directorate for Computer and Information Science and Engineering (CISE) wishes to notify the community of its intention to support supplemental funding requests for active research awards to conduct experimental research on the NSF-funded Platforms for Advanced Wireless Research (PAWR).$60,000Active CISE awards06/15/26Research Scope06/15/26PME
PSD
true06/12/25 7:25 AM
18NSF
Dear Colleague Letter: Geoscience Research Experiences for Post-Baccalaureate Students (GEO-REPS) Supplemental Funding Opportunity
NSF 22-072NSF GEO invites Principal Investigators (PIs) of active awards to submit a supplemental funding request to support the research training of post-baccalaureate students.Active GEO award07/01/26Research PersonnelBSD
PSD
06/30/25 7:13 AM
19NSF
Research Experiences for Undergraduates (REU): Sites and Supplements
NSF 23-601The Research Experiences for Undergraduates (REU) program supports active research participation by undergraduate students in any of the areas of research funded by the National Science Foundation. REU projects involve students in meaningful ways in ongoing research programs or in research projects specifically designed for the REU program. This solicitation features two mechanisms for supporting student research: REU Sites are based on independent proposals to initiate and conduct projects that engage a number of students in research. REU Sites may be based in a single discipline or academic department or may offer interdisciplinary or multi-department research opportunities with a coherent intellectual theme. REU Supplements may be included as a component of proposals for new or renewal NSF grants or cooperative agreements or may be requested for ongoing NSF-funded research projects.$150,000 per yearActive NSF research awards08/19/26Research PersonnelBSD
PME
PSD
SSD
true08/18/25 7:12 AM
20NSF
Research Experiences for Teachers (RET) in Engineering and Computer Science
NSF 24-503The Research Experiences for Teachers (RET) in Engineering and Computer Science program supports authentic summer research experiences for K-14 educators to foster long-term collaborations between universities, community colleges, school districts, and industry partners.$600,000 for a site; $15,000 per teacher for supplementsActive ENG or CISE award10/14/26Research PersonnelPME
PSD
true10/07/25 12:56 PM
21NSF
Dear Colleague Letter: STEM Access for Persons with Disabilities (STEM-APWD)
NSF 23-160Invites conference proposals and supplemental funding requests that address the intersections between disability and fundamental science to increase access to, and equity in, STEM research and training among persons with disabilities.$100,000Active awards across 7 directorates11/12/26Research PersonnelBSD
Crown
PME
PSD
SSD
11/10/25 8:52 AM
22NSF
Dear Colleague Letter: Expanding K-12 Resources For AI Education
NSF 25-035Invites supplemental funding requests to current NSF awardees in certain NSF directorates to support the expansion of K-12 resources for AI education.$300,000Existing awards with K-12 AI componentRollingEnhanced ProgramsPSDtrue11/28/25 8:29 AM
23DOE
FY 2026 Continuation of Solicitation for the Office of Science Financial Assistance Program
DE-FOA-0003600Applications for supplemental funding to existing SC awards compete for funding with all other applications submitted under this NOFO. Applications for supplemental funding may be made in two broad types:
1. Supplemental funding. Such applications must indicate that they are being made to request additional funding and must describe how the additional funds will be used. These applications must mark the box for “A. Increase Award” in Field 8 of the SF-424 (R&R) application form.
2. Supplemental funding with additional time. Such applications must also indicate the need for additional time. These applications must mark the boxes for “A. Increase Award” and “C. Increase Duration” in Field 8 of the SF-424 (R&R) application form.
VariableExisting DOE SC awardsRollingResearch Scope09/30/26PME
PSD
true10/02/25 7:42 AMtrue
24NSF
Dear Colleague Letter: Persons with Disabilities – STEM Engagement and Access (PWD-SEA)
NSF 21-110With this Dear Colleague Letter, the National Science Foundation's (NSF) Directorate for Education and Human Resources (EHR), with leadership from the Division of Human Resource Development (HRD), seeks to increase the engagement of persons with disabilities in Science, Technology, Engineering, and Mathematics (STEM) fields and STEM education.VariableExisting EDU awardsRollingResearch PersonnelPSD
SSD
08/26/24 2:04 PM
25NSF
Research Experiences for Teachers (RET) Supplement Opportunity
NSF 22-043The Research Experiences for Teachers (RET) activity is designed to enhance the professional development of science educators through participation in new or on-going NSF-funded research projects. GEO strongly encourages its grantees to make special efforts to identify talented teachers for participation in this opportunity.$14,500 per teacherNew, renewal, or post-award GEO proposersRollingResearch PersonnelBSD
PSD
08/26/24 2:04 PM
26NSF
Dear Colleague Letter: NSF-NIST Interaction in Basic and Applied Scientific Research
NSF 22-098The National Science Foundation (NSF) and National Institute of Standards and Technology (NIST) have shared interests in a variety of basic and applied scientific and engineering fields. This Dear Colleague Letter calls attention to opportunities for researchers supported by NSF to collaborate with researchers in the NIST Laboratories and User Facilities.Travel and per diem costs associated with collaborative work at NISTActive awardRollingEnhanced ProgramsBSD
Booth
Crown
Humanities
PME
PSD
SSD
08/26/24 2:04 PM
27NSF
Dear Colleague Letter: Research on Integrated Photonics Utilizing AIM Photonics Capabilities
NSF 23-054With this Dear Colleague letter (DCL), the Division of Electrical, Communications and Cyber Systems (ECCS) within the Directorate for Engineering (ENG) and the Division of Translational Innovation (TI) within the Directorate for Technology, Innovation and Partnerships (TIP) of the National Science Foundation continue to encourage submission to their programs proposals by academic researchers and small businesses to explore innovative exploratory and translational research in all aspects of integrated photonics that utilize the current silicon and silicon nitride photonics capabilities resident in AIM Photonics. Proposals supported through this program will leverage the AIM design tools, pilot photonics foundry, test, and packaging capabilities.VariableExisting ECCS awardsRollingResearch ScopePME
PSD
02/05/25 1:13 PM
28NSF
Dear Colleague Letter: Directorate for Geosciences (GEO) Opportunity for Graduate Students Supplemental Funding to Link Geosciences and Human Health (GeoHealth INTERN)
NSF 23-112This opportunity provides funding for a graduate student to work on-site with public health or medical professionals for up to 6 months on a project of mutual interest that involves combining knowledge of, and work on, processes in and materials of the natural environment and how they impact human health.$55,000PIs supporting graduate students on active GEO awardsRollingEnhanced ProgramsPSD05/20/25 7:21 AM
29NSF
Dear Colleague Letter: Advancing Microelectronics Education
NSF 23-115This Dear Colleague Letter (DCL) encourages submission of education proposals in all settings, both formal and informal, that will excite, motivate, and prepare students for participation in the microelectronics industry of the future in response to the CHIPS and Science Act of 2022 (CHIPS Act).20% of parent award or $200,000 (whichever is smaller)Active NSF awards in certain programsRollingResearch PersonnelPSD
SSD
05/20/25 7:21 AM
30NSF
Dear Colleague Letter: International Multilateral Partnerships for Resilient Education and Science System in Ukraine (IMPRESS-U)
NSF 23-135Invites multilateral collaboration with the US, Ukraine, and Poland or Baltic countries in the global research community for support in scientific and engineering research, education and innovation.20% of parent awardExisting NSF awardsRollingResearch PersonnelBSD
PME
PSD
SSD
08/07/25 6:52 AM
31NSF
Dear Colleague Letter: Graduate Research Internships in Forensic Science and Criminal Justice Contexts (NSF-NIJ INTERN) Supplemental Funding Opportunity
NSF 23-150This NSF-NIJ INTERN Dear Colleague Letter (DCL) encourages submission of INTERN supplemental funding requests for graduate students who are currently supported on NSF-funded projects to pursue non-academic research internships in forensic science and criminal justice contexts. Examples of such contexts include but are not limited to public or private forensic laboratories or research and development units, nonprofit organizations focusing on forensic or criminal justice matters, law enforcement agencies, and the medico-legal and judicial systems.$55,000Active NSF awards with key words: forensics, criminal, or crimeRollingEnhanced ProgramsPSD
SSD
09/24/25 6:32 AM
32NSF
Dear Colleague Letter: Veterans Research Supplement (VRS) Program
NSF 23-161This DCL affords veterans who are undergraduate and graduate students, K-12 teachers, or community college faculty the opportunity to work with active NSF recipients to conduct basic and/or industrially relevant research and to gain a deeper understanding of Science, Technology, Engineering, Mathematics and Education.Varies by career stageActive awards in indicated programsRollingResearch ScopeBSD
PME
PSD
SSD
09/24/25 6:32 AM
33NSF
Dear Colleague Letter: Graduate Research Internships at National Institute of Biomedical Imaging and Bioengineering (NSF-NIBIB/BETA INTERN) Supplemental Funding Opportunity
NSF 24-083NSF will consider supplemental funding requests that enable a Principal Investigator (PI) or co-PI to request up to six months of additional support for a graduate student supported on an active NSF award with the following goals:
To provide graduate students with the opportunity to augment their research assistantships or NSF Graduate Research Fellowship Program (GRFP) fellowships with non-academic research internship activities and training opportunities that will complement their academic research training.
To allow graduate students to engage in professional development experiences that will enhance their preparation for multiple career pathways after graduation.
To encourage the participation of the full spectrum of diverse talent in science, technology, engineering, and mathematics (STEM).
$55,000Active NSF awards supporting graduate studentsRollingEnhanced ProgramsBSD
Crown
PME
PSD
SSD
true04/30/24 2:26 PM
34NSF
Dear Colleague Letter: Supplemental Funding Opportunity: NSF Innovation Corps (I-Corps™) Training for Pathways to Enable Open-Source Ecosystems (POSE) Recipients
NSF 24-110This Dear Colleague Letter provides an optional supplemental funding opportunity to obtain additional support for training-related expenses.$20,000Active POSE awardsRollingEnhanced ProgramsBSDtrue07/22/24 3:47 PM
35NSF
Dear Colleague Letter: Research Experiences for Undergraduates (REU) and Research Experiences for Teachers (RET) Supplemental Funding in Computer and Information Science and Engineering
NSF 24-048Invites supplemental funding requests from current CISE awardees to support undergraduate and teacher training.$10,000 per student or $15,000 per teacherActive CISE awardVaries for REU and RET programsResearch PersonnelPSDtrue01/18/24 7:39 AM
36NSF
NSF Scholarships in Science, Technology, Engineering, and Mathematics Program (S-STEM) Scholarship Supplements for Advanced Technological Education (ATE) Recipients
NSF 24-094Invites active Advanced Technological Education program award recipients to submit supplemental funding requests to provide scholarship support to eligible students under the NSF Scholarships in S-STEM program.20% of original awardExisting ATE awardeesEnhanced Programs05/28/24 11:58 AM
37NIH
Administrative Supplements to Existing NIH Grants and Cooperative Agreements (Parent Admin Supp Clinical Trial Optional)
PA-26-001Current recipients of specific types of NIH research grants may apply for administrative supplements, using this Notice of Funding Opportunity (NOFO), to provide additional funding to a currently funded grant to meet increased costs that are within the scope of the peer-reviewed and approved project, but that were unforeseen when the new or competing renewal application was awarded.VariesExisting NIH research grantsVaries by instituteResearch Scope11/30/28BSD
Booth
CCC
Crown
Harris
Humanities
PME
PSD
SSD
true11/28/25 8:29 AM