U.S. Departments

The mission of the National Institute of Nursing Research (NINR) is to promote and improve the health of individuals, families, and communities. To achieve this mission, NINR supports and conducts clinical and basic research and research training on health and illness, research that spans and integrates the behavioral and biological sciences, and that develops the scientific basis for clinical practice.

NIMHD oversees several programs central to NIH's mission of uncovering new knowledge that will lead to better health for everyone.

National Institute of Environmental Health Sciences | The mission of NIEHS is to discover how the environment affects people in order to promote healthier lives

NIDA's mission is to advance science on the causes and consequences of drug use and addiction and to apply that knowledge to improve individual and public health. NIDA is one of the National Institutes of Health.

As an Institute within NIH, NIDDK conducts and supports research on many of the most common, costly, and chronic conditions to improve health.

The National Eye Institute (NEI) performs and supports vision research and education programs that protect and prolong vision. Learn about eye conditions, healthy eyes, vision studies, and grants for vision research.

Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

Home of the United States Space Command

The Commissioned Corps of the U.S. Public Health Service works on the front lines of public health.

The official website of the National Reconnaissance Office

NGA delivers world-class geospatial intelligence that provides a decisive advantage to policymakers, warfighters, intelligence professionals and first responders.

DIA provides military intelligence to warfighters, defense policymakers, and force planners in the Department of Defense and the Intelligence Community.

The official website of the Joint Chiefs of Staff, U.S. Department of Defense

The Official Website of the United States National Guard.

The official website for the U.S. Coast Guard

The Official Website for the United States Space Force

The official website of the United States Marine Corps

The NCBI Insights Blog helps you understand and use resources of the National Center for Biotechnology Information at the U.S. National Library of Medicine.