National Science Foundation (NSF)

An independent agency of the United States federal government, established by the National Science Foundation Act of 1950 (Public Law 81-507), that funds basic research and education in non-medical fields of science and engineering. NSF is not part of a cabinet department -- it reports directly to the President and Congress, governed by a Director (who runs day-to-day operations) and the presidentially-appointed, 24-member National Science Board (NSB), which sets policy and must approve awards or actions above certain dollar thresholds. An entity qualifies as "NSF" for research-administration purposes when it is the specific federal agency headquartered in Alexandria, Virginia that issues funding opportunities, applies the Proposal & Award Policies & Procedures Guide (PAPPG) to its awards, and organizes its research portfolio through a set of subject-based directorates rather than through the disease- or institute-based structure NIH uses. NSF's stated mission, carried over from its founding legislation, is to "promote the progress of science," "advance the national health, prosperity, and welfare," and "secure the national defense." As of the current NSF organizational structure, the agency's research and education activity is organized into seven research directorates -- Biological Sciences (BIO); Computer and Information Science and Engineering (CISE); Engineering (ENG); Geosciences (GEO); Mathematical and Physical Sciences (MPS); Social, Behavioral and Economic Sciences (SBE); and Technology, Innovation and Partnerships (TIP, established 2022, the first new directorate in three decades) -- plus a STEM Education directorate and offices including International Science and Engineering and the National Center for Science and Engineering Statistics. NSF funds roughly 11,000 competitive awards a year and, by its own account, its investments make up approximately a quarter of federal support for basic research at U.S. colleges and universities.

ByCASRAI Editorial Board

· Last updated 17 Jul 2026

Worked examples

Is an instance

A research administrator preparing a proposal for the Directorate for Technology, Innovation and Partnerships is working within NSF's structure as an independent federal agency -- the award, if made, will be governed by the current PAPPG and by NSF's own Grant General Conditions, not by a cabinet department's separate acquisition or assistance regulations.

Is an instance

A university citing "NSF funding accounts for about 25% of federal support for basic research at U.S. institutions of higher education" is citing NSF's own stated scope of investment, distinguishing NSF's broad basic-science remit from a mission agency (e.g., NIH, DOE, NASA) that funds research primarily in service of a narrower statutory mission.

Looks similar, but isn't

Not an instance

A university's internal "Office of Sponsored Research" is not NSF -- it is the institutional unit that submits proposals to NSF and administers the resulting award; NSF is the funding agency itself, external to the recipient institution.

Not an instance

A specific NSF program solicitation or funding opportunity (e.g., a CAREER or REU solicitation) is not NSF as an entity -- it is one competition run by one directorate within NSF, layered on top of the agency-wide PAPPG baseline.

The National Science Foundation (NSF) is an independent agency of the U.S. federal government created by the National Science Foundation Act of 1950 to fund basic research and education across non-medical fields of science and engineering. For research administrators, understanding NSF as an agency — its legal status, governance, and internal structure — is a separate and prior question from understanding how to prepare and manage an NSF award; this page covers the former. For proposal mechanics, budget rules, and the PAPPG itself, see the related guides linked below.

Independent agency status

NSF is not a bureau or office inside a cabinet department. It is one of a small number of independent federal agencies (alongside, for example, NASA and the EPA) that report directly to the President and Congress rather than through a department secretary. Day-to-day operations are run by an NSF Director, but policy oversight and approval of significant awards and actions rest with the National Science Board (NSB), a 24-member body of presidentially appointed scientists, engineers, and science-policy leaders (plus the NSF Director, who serves ex officio) established by the same 1950 Act. This dual structure — an operating Director plus a policy-setting Board — distinguishes NSF’s governance from a single-administrator agency.

Mission

NSF’s founding legislation set out its mission in three clauses that the agency still cites today: to “promote the progress of science,” “advance the national health, prosperity, and welfare,” and “secure the national defense.” In practice this has been read broadly — NSF is the primary federal funder of basic research and education in fields ranging from mathematics and physics to computer science, engineering, geosciences, and the social and behavioral sciences, deliberately outside the biomedical research NIH funds and outside the applied, mission-directed research funded by agencies like DOE or DoD.

Directorate structure

NSF organizes its research and education portfolio through subject-based directorates, each further divided into divisions and programs. As of the agency’s current structure, the research directorates are:

Biological Sciences (BIO)
Computer and Information Science and Engineering (CISE)
Engineering (ENG)
Geosciences (GEO)
Mathematical and Physical Sciences (MPS)
Social, Behavioral and Economic Sciences (SBE)
Technology, Innovation and Partnerships (TIP) — established in 2022, NSF’s first new directorate in roughly thirty years, focused on translating research toward economic and societal impact

Alongside these, NSF maintains a STEM Education directorate, an Office of International Science and Engineering, an Office of Integrative Activities, and the National Center for Science and Engineering Statistics (NCSES), which produces federal statistical reports on the U.S. science and engineering enterprise. This directorate model — organized by scientific discipline — is a structural point of contrast with NIH, which organizes funding through disease- and body-system-focused Institutes and Centers; a comparison research administrators managing awards from both agencies run into directly when reconciling, for example, data management plan requirements (see the NIH vs. NSF comparison linked below).

Scale

NSF funds on the order of 11,000 new competitive awards in an average year and, by its own account, its investments represent roughly a quarter of federal support for basic research conducted at U.S. colleges and universities — a scale that makes it, alongside NIH, one of the two federal agencies most research offices build standing proposal-support infrastructure around.

Related CASRAI content

This entry covers NSF as an institution. For the mechanics of preparing, submitting, and administering an NSF award, see NSF Grants: An Overview. For the governing policy document referenced on every NSF award, see NSF PAPPG. For NSF’s flagship early-career mechanism, see NSF CAREER Award Proposal Requirements. For how NSF’s data management plan expectations diverge from NIH’s, see NIH vs. NSF Data Management Plans.

Use in your systems

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Schema.org DefinedTerm (JSON-LD)

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