We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
Featured Data Basics
15 MIN READ
Learn the basics about remotely-sensed data, from instrument characteristics to different types of resolution to data processing and analysis.
May 18, 2021
3 MIN READ
The SAR Handbook was created in 2019 as a guide for forest monitoring and biomass estimation with synthetic aperture radar (SAR).
April 16, 2025
Filters
8 MIN READ
NASA Earth science data are a key component in meeting the 17 Sustainable Development Goals (SDGs) to build a better world for people and our planet.
May 18, 2021
2 MIN READ
Passive instruments detect energy emitted from the natural environment.
Feb. 1, 2021
3 MIN READ
Active instruments emit energy and collect data based on changes in the return signal.
Feb. 1, 2021
3 MIN READ
Standard data products are those with an internally consistent, well-calibrated record of Earth’s geophysical properties to support science.
Dec. 14, 2020
SHOWING 4 OF 20