Data Repositories by Discipline
The five scientific divisions of NASA's Science Mission Directorate (SMD) maintain repositories of data that are open for anyone to access.
Data Services
Services that support discoveries from NASA science data.
Citizen Science
Learn how volunteers around the world can help NASA make scientific discoveries, no citizenship required.
High-End Computing
NASA-sponsored scientists and engineers can access computing time on the agency’s advanced supercomputers.
Science Cloud
A single, unified NASA cloud computing environment that accelerates science discovery.
Interdisciplinary Data Sites
Other resources for finding and using NASA science data that are not run by a single scientific division.
Astronomy and Geodesy
Explore science data relating to astronomy and geodesy, the study of Earth’s characteristics and position in space.
Opacities
Access exoplanet opacity data to study the atmospheres of distant planets.
PEGASUS Stellar Spectra
Generate complete stellar spectra, including the extreme ultraviolet portion, with the PEGASUS web tool.
News and Events
Register now for a workshop hosted by NASA and ESA that brings together the Earth observation, AI, and foundation model communities to advance coordination, scientific rigor, and operational impact.
Join the NASA Satellite Needs Working Group Implementation Team (NSITE) for a virtual workshop showcasing the Harmonized Landsat and Sentinel-2 (HLS) Solution.
Selected monthly updates about NASA Science data and resources, including OSIRIS-REx derived data products, a heatmap analysis tool for visualizing space biology data, and new NISAR data.
The search tool's new update helps it deliver faster results, a better user experience, and more flexibility for science data discovery.
Search for NASA Science Data
NASA’s Science Mission Directorate (SMD) provides web tools to search across all of NASA’s science data, publications, software, and resources.
Science Discovery Engine
An integrated search platform to help you find what you need across NASA’s vast stores of open science data, documentation, code, and tools.
Science Explorer (SciX)
A digital library portal for scientific publications and software related to astronomy, Earth science, heliophysics, physics, and planetary science.