NASA Thesaurus

The NASA Thesaurus contains the authorized NASA subject terms used to index and retrieve materials in the NASA Technical Reports Server (NTRS) and the NTRS Registered (Formerly NA&SD). The scope of this controlled vocabulary includes not only aerospace engineering, but all supporting areas of engineering and physics, the natural space sciences (astronomy, astrophysics, planetary science), Earth sciences, and the biological sciences. The NASA Thesaurus contains over 18,400 subject terms, 4,300 definitions, and more than 4,500 USE cross references.

Data and Resources

This dataset has no data

Additional Info

Field	Value
Maintainer	Gerald Steeman
Last Updated	July 17, 2025, 14:34 (UTC)
Created	March 31, 2025, 14:47 (UTC)
accessLevel	public
accrualPeriodicity	irregular
bureauCode	{026:00}
catalog_@context	https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id	https://data.nasa.gov/data.json
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy	https://project-open-data.cio.gov/v1.1/schema/catalog.json
harvest_object_id	d93d326b-f2fd-4505-bf09-0535c1a14a1f
harvest_source_id	61638e72-b36c-4866-9d28-551a3062f158
harvest_source_title	DNG Legacy Data
identifier	NASA-0000092
issued	2018-06-25
landingPage	https://data.nasa.gov/dataset/nasa-thesaurus
modified	2020-01-29
programCode	{026:046}
publisher	National Aeronautics and Space Administration
resource-type	Dataset
source_datajson_identifier	true
source_hash	af685d1fe967b4d655c689326c5987d15efe30e6af41549e14df15847d08d3b2
source_schema_version	1.1
theme	{Management/Operations}