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.
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OLI Resources
Earthdata resources for users working with NASA’s Operational Land Imager (OLI) include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.
OLI Learning Resources
This ARSET training covers how to acquire, use, and derive NDVI imagery from Landsat and MODIS.
Training
Feb. 10 - March 2, 2016
This ARSET training explores how the R statistical coding language can be used to classify land cover and quantify changes in land cover over time.
Training
Feb. 24-26, 2026
This ARSET training introduces STREAM, a web tool for monitoring chlorophyll-a concentration, Secchi disk depth, and total suspended solids in inland lakes and coastal regions.
Training
Feb. 10-17, 2026
Using SNWG's OPERA DSWx product, USGS is able to monitor streamflow from space, augmenting hazardous in-person collection techniques.
Data in Action
July 8, 2025
Learn how to search for, access, and process HLS data.
External Resource
GitHub Repository
Sept. 20, 2024
Find, download, and subset HLS data from a command line executable.
External Resource
GitHub Repository
April 16, 2025
Find and download HLS data.
External Resource
GitHub Repository
May 1, 2024
Tutorial demonstrating how to search for, access, and process HLS data in R.
External Resource
GitHub Repository
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This Earth Day we invite you to explore global, full-resolution NASA Earth science imagery to see volcanoes erupting, wildfires spreading, tropical cyclones forming, and city lights illuminating. With NASA Worldview, you can also take a snapshot, create an animated GIF, or compare imagery from two dates to view changes over time.
Feature Article
May 17, 2022
Data from NASA’s NSIDC DAAC helps scientists like Dr. Kristin Poinar develop the next generation of models for forecasting sea-level rise from melting glaciers and ice sheets.
Data User Story
May 3, 2022
In collaboration with NASA's IMPACT project, dynamic false color imagery is now available through FIRMS to help better delineate burned areas.
Blog
April 18, 2022
Launched September 27, Landsat 9 will provide a high-quality and reliable stream of land imaging data for the next 10-plus years.
Feature Article
Jan. 31, 2022
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Frequently Asked Questions
Earthdata Forum
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Submit Questions to Earthdata Forumand View Expert Responses