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Research Funding Opportunities – May 2026

The following active U.S. research grant opportunities have deadlines in late May 2026 and are relevant to researchers seeking funding for basic or applied studies.

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# Opportunity Type Region / Country Amount Deadline Source
1 FY2026 Research Opportunities in Accelerator Stewardship and Accelerator Development High-energy physics accelerator research grant with a broad scope and substantial award range. Grant Cash Grant United States Award range: $50,000 - $3,000,000 Deadline Soon May 21, 2026 Open Grants.gov
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High-energy physics accelerator research grant with a broad scope and substantial award range.

Fit notes

Suitable for researchers in accelerator science, physics, engineering, and related fields.

Deadline note

Deadline: 2026-05-21

Source description

The DOE SC program in High Energy Physics (HEP) hereby announces its interest in applications to conduct cross-cutting use-inspired basic research and development (R&D) to advance accelerator science and technology (AS&T) and domestic supplier development that supports SC’s activities in physical sciences research and which is of broader benefit to other U.S. government agencies and industry. Please note that this Notice of Funding Opportunity (NOFO) is for cross-cutting R&D and domestic supplier development and that program-specific AS&T R&D is supported though NOFOs issued by each SC program.

2 NIJ FY25 Research on the Abuse, Neglect, and Financial Exploitation of Older Adults NIJ grant focused on research into abuse, neglect, and financial exploitation of older adults. Grant Cash Grant United States Award range: $0 - $1,600,000 Deadline Soon May 19, 2026 Open Grants.gov
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NIJ grant focused on research into abuse, neglect, and financial exploitation of older adults.

Fit notes

Ideal for social scientists, public health researchers, and policy analysts working on elder protection.

Deadline note

Deadline: 2026-05-19

Source description

This NOFO seeks to fund applications for rigorous research and evaluation projects in five topical areas: (1) evaluation of programs that seek to prevent, intervene in, or respond to the abuse, neglect, and financial exploitation of older adults; (2) research on financial fraud against older adults, including knowledge building around scam prevention messaging; (3) research on formal and informal caregivers who abuse (either financially, physically, sexually, and/or emotionally) or neglect older adults, to inform intervention and prevention program development; (4) forensic research involving the development of radiographic evidence and bioinformatic approaches relevant to the physical abuse of older adults; and (5) research examining the role of emerging technologies in fraud and exploitation.

3 NIJ FY25 Graduate Research Fellowship NIJ graduate research fellowship for doctoral students in crime prevention and public safety. Grant Cash Grant United States Award range: $0 - $180,000 Deadline Soon May 19, 2026 Open Grants.gov
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NIJ graduate research fellowship for doctoral students in crime prevention and public safety.

Fit notes

Targeted at PhD candidates in criminology, law enforcement, or related disciplines.

Deadline note

Deadline: 2026-05-19

Source description

This NOFO seeks to support doctoral students whose dissertation research is relevant to preventing and controlling crime, protecting the border, enforcing the law, promoting public safety, or ensuring the fair and impartial administration of criminal or juvenile justice in the United States. This furthers the DOJ mission by increasing the pool of researchers who are engaged in providing science-based solutions to problems relevant to criminal and juvenile justice policy and practice in the United States.

4 NCI Pathway to Independence Award for Early-Stage Postdoctoral Researchers (K99/R00 - Independent Basic Experimental Studies with Humans Required) NCI K99/R00 Pathway to Independence award for early-stage postdoctoral researchers. Grant Cash Grant United States Not provided on the source page. Please check the official source. Deadline Soon May 24, 2026 Open Grants.gov
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NCI K99/R00 Pathway to Independence award for early-stage postdoctoral researchers.

Fit notes

Designed for postdocs in cancer research who need a transition to independent funding.

Deadline note

Deadline: 2026-05-24

Source description

The purpose of the NCI Pathway to Independence Award for Early-Stage Postdoctoral Researchers (K99/R00) program is to increase and maintain a strong cohort of new and talented, NCI-supported, independent investigators. This program is designed for postdoctoral fellows with research and/or clinical doctoral degrees who do not require an extended period of mentored research training beyond their doctoral degrees. The objective of this award is to facilitate a timely transition of these fellows from their mentored, postdoctoral research positions to independent tenure-track (or equivalent) faculty positions. The program will provide independent NCI research support during this transition to help awardees to launch competitive, independent research careers. Researchers in the scientific areas of cancer control, cancer prevention and cancer data sciences are especially encouraged to work with their institutions to apply.This notice of funding opportunity (NOFO) is for basic science experimental studies involving humans, referred to in NOT-OD-18-212 as prospective basic science studies involving human participants. These studies fall within the NIH definition of a clinical trial and also meet the definition of basic research. Types of studies that should be submitted under this NOFO include studies that prospectively assign human participants to conditions (i.e., experimentally manip...

5 NIH Research Project Grant (Parent R01 Basic Experimental Studies with Humans Required) NIH R01 grant for basic experimental studies involving humans. Grant Cash Grant United States Not provided on the source page. Please check the official source. Deadline Soon May 24, 2026 Open Grants.gov
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NIH R01 grant for basic experimental studies involving humans.

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Applicable to investigators conducting human-based basic science research.

Deadline note

Deadline: 2026-05-24

Source description

The NIH Research Project Grant supports a discrete, specified, circumscribed project in areas representing the specific interests and competencies of the investigator(s).This Parent Notice of Funding Opportunity is for basic science experimental studies involving humans, referred to in NOT-OD-18-212 as prospective basic science studies involving human participants. These studies fall within the NIH definition of a clinical trial and also meet the definition of basic research. Types of studies that should submit under this NOFO include studies that prospectively assign human participants to conditions (i.e., experimentally manipulate independent variables) and that assess biomedical or behavioral outcomes in humans for the purpose of understanding the fundamental aspects of phenomena without specific application towards processes or products in mind. Studies conducted with specific applications toward processes or products in mind should submit under the appropriate Clinical Trials Required or Clinical Trial Optional NOFO.The proposed project must be related to the programmatic interests of one or more of the participating NIH Institutes and Centers (ICs) based on their scientific missions.

6 NIH Exploratory/Developmental Research Project Grant (Parent R21 Basic Experimental Studies with Humans Required) NIH R21 exploratory/developmental grant for early-stage human studies. Grant Cash Grant United States Not provided on the source page. Please check the official source. Deadline Soon May 24, 2026 Open Grants.gov
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NIH R21 exploratory/developmental grant for early-stage human studies.

Fit notes

Supports high-risk, high-reward projects in biomedical research.

Deadline note

Deadline: 2026-05-24

Source description

The NIH Exploratory/Developmental Grant supports exploratory and developmental research projects by providing support for the early and conceptual stages of these projects. These studies may involve considerable risk but may lead to a breakthrough in a particular area, or to the development of novel techniques, agents, methodologies, models, or applications that could have a major impact on a field of biomedical, behavioral, or clinical research.This Parent Notice of Funding Opportunity is for basic science experimental studies involving humans, referred to in NOT-OD-18-212 as prospective basic science studies involving human participants. These studies fall within the NIH definition of a clinical trial and also meet the definition of basic research. Types of studies that should submit under this FOA include studies that prospectively assign human participants to conditions (i.e., experimentally manipulate independent variables) and that assess biomedical or behavioral outcomes in humans for the purpose of understanding the fundamental aspects of phenomena without specific application towards processes or products in mind. Studies conducted with specific applications toward processes or products in mind should submit under the appropriate Clinical Trials Required or Clinical Trial Optional FOA.The proposed project must be related to the programmatic interests of one or more of...

7 Stephen I. Katz Early Stage Investigator Research Project Grant (R01 Basic Experimental Studies with Human Required) Stephen I. Katz Early Stage Investigator R01 for human studies. Grant Cash Grant United States Not provided on the source page. Please check the official source. Deadline Soon May 24, 2026 Open Grants.gov
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Stephen I. Katz Early Stage Investigator R01 for human studies.

Fit notes

For early-stage investigators needing a significant funding boost for innovative human research.

Deadline note

Deadline: 2026-05-24

Source description

The Stephen I. Katz Early Stage Investigator Research Project Grant supports an innovative project that represents a change in research direction for an early stage investigator (ESI) and for which no preliminary data exist. Applications submitted to this Notice of Funding Opportunity Announcement (NOFO) must not include preliminary data. Applications must include a separate attachment describing the change in research direction. The proposed project must be related to the programmatic interests of one or more of the participating NIH Institutes and Centers (ICs) based on their scientific missions.This Funding Opportunity is for basic science experimental studies involving humans, referred to in NOT-OD-18-212 as prospective basic science studies involving human participants. These studies fall within the NIH definition of a clinical trial and also meet the definition of basic research. Types of studies that should submit under this NOFO include studies that prospectively assign human participants to conditions (i.e., experimentally manipulate independent variables) and that assess biomedical or behavioral outcomes in humans for the purpose of understanding the fundamental aspects of phenomena without specific application towards processes or products in mind. Studies that are NOT conducted with specific applications toward processes or products in mind and which also do not mee...

8 NEI Collaborative Clinical Vision Research: Chair's Grant (UG1-Clinical Trial Required) NEI UG1 Chair's Grant for large-scale clinical trials in vision research. Grant Mixed United States Not provided on the source page. Please check the official source. Deadline Soon May 25, 2026 Open Grants.gov
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NEI UG1 Chair's Grant for large-scale clinical trials in vision research.

Fit notes

Suitable for investigators in ophthalmology and vision science leading complex trials.

Deadline note

Deadline: 2026-05-25

Source description

The NEI uses UG1 cooperative agreement awards to support investigator-initiated large-scale clinical trials, human gene-transfer, stem cell therapy trials, and other complex or high resource- or safety-risk clinical trials. These projects are multifaceted and of high public health significance requiring clear delineation of study organization including roles and responsibilities and require careful performance oversight and monitoring. For purposes of this Notice of Funding Opportunity (NOFO), the proposed study must be intended to evaluate interventions aimed at screening, diagnosing, preventing, or treating vision disorders, or to compare the effectiveness of two or more established interventions. The NEI UG1-supported studies are typically funded as a group of single-component companion grant awards including the Chairs Grant, the Coordinating Center, and Resource Centers, when appropriate. Specifically, this NOFO encourages applications for the Chair's grant, which includes the scientific rationale, study aims and significance of the research project.

9 AIDS Research Center on Mental Health and HIV/AIDS (P30 Clinical Trial Optional) NIMH P30 AIDS Research Center grant for mental health and HIV/AIDS research. Grant Cash Grant United States Not provided on the source page. Please check the official source. Deadline Soon May 25, 2026 Open Grants.gov
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NIMH P30 AIDS Research Center grant for mental health and HIV/AIDS research.

Fit notes

For research centers focusing on HIV/AIDS and mental health integration.

Deadline note

Deadline: 2026-05-25

Source description

The National Institute of Mental Health (NIMH) Division of AIDS Research (DAR) encourages applications for Center Core grants (P30) to support HIV/AIDS Research Centers (ARC). The ARC is intended to provide infrastructure support that facilitates the development of high impact science in HIV/AIDS and mental health that is relevant to the NIMH mission. This Notice of Funding Opportunity (NOFO) intends to support innovative, interdisciplinary research in several areas, including basic, NeuroHIV, behavioral and social, integrated biobehavioral, applied, clinical, translational, and implementation science.

10 Developmental AIDS Research Center on Mental Health and HIV/AIDS (P30 Clinical Trial Optional) NIMH P30 AIDS Research Center grant for developmental research. Grant Cash Grant United States Not provided on the source page. Please check the official source. Deadline Soon May 25, 2026 Open Grants.gov
Search match

NIMH P30 AIDS Research Center grant for developmental research.

Fit notes

For centers developing new approaches to HIV/AIDS and mental health.

Deadline note

Deadline: 2026-05-25

Source description

The National Institute of Mental Health (NIMH) Division of AIDS Research (DAR) encourages applications for Center Core grants (P30) to support HIV/AIDS Research Centers (ARC). The ARC is intended to provide infrastructure support that facilitates the development of high impact science in HIV/AIDS and mental health that is relevant to the NIMH mission. This Notice of Funding Opportunity (NOFO) intends to support innovative, interdisciplinary research in several areas, including basic, NeuroHIV, behavioral and social, integrated biobehavioral, applied, clinical, translational, and implementation science.