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
A DSWx-S1 processing issue that combined Sentinel-1A and -1C data into a single product was fixed on Dec. 9, 2025. Affected products are being reprocessed, with completion expected by January 2026.
Learn more.
PO.DAAC News
Read the latest news stories, feature articles, user stories, and blog posts that feature data archived by NASA's Physical Oceanography Distributed Active Archive Center (PO.DAAC).
For real-time announcements about data outages, releases, and retirements, see our list of Data Alerts and Outages.
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Understanding Great Lakes ice means enduring some tough conditions.
Feature Article
June 2, 2023
The new web address is part of the SOTO visualization tool's transitioning to the cloud.
News
May 12, 2023
A monthly summary of recent news and data releases from NASA's Distributed Active Archive Centers (DAACs).
Feature Article
May 11, 2023
With the migration of data distributed by NASA’s Physical Oceanography Distributed Active Archive Center (PO.DAAC) complete, legacy data access tools and services at the DAAC have been retired.
News
May 4, 2023
The May 23-25, 2023, online workshop will determine needs, evaluate current capabilities, identify gaps, and specify potential actions for NASA’s Terra, Aqua, and Aura mission data.
News
April 30, 2023
All PO.DAAC users should complete the transition of their legacy data access scripts and methods for compatibility with cloud data access endpoints.
News
April 20, 2023
Careful calibration and validation ensure that the Surface Water and Ocean Topography mission will provide the best data possible.
Feature Article
March 17, 2023
Updated sea surface salinity data products fill an Earth observing need identified in the 2020 Satellite Needs Working Group (SNWG) survey of federal agencies.
News
March 7, 2023
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