Delivery of new Suomi NPP data ceases on Nov. 2, 2026. Users should transition to alternative products. Suomi NPP data announcement

Migration to Consolidated Ingest and Archive will interrupt data ingestion at PO.DAAC, ASF DAAC, and GES DISC on Oct. 28-30, 2026. Read more

ASF DAAC News

Read the latest news stories, feature articles, user stories, and blog posts that feature data archived by NASA's Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC).

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For real-time announcements about data outages, releases, and retirements, see our list of Data Alerts and Outages.

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NISAR SAR backscatter image from 30 September 2026 showing Anak Krakatau in the center. Eruptions in early September cause the island to grow in size.

Anak Krakatau Grows

NISAR and HLS data reveal the scale of changes from the early September eruption.

Worldview Image of the Week

Oct. 9, 2026

1993 AIRSAR imagery of Bonanza Creek, Yukon Territory Canada.

Changes in Availability of Historical ASF Datasets

Starting October 1, 2026, some historical ASF SAR datasets will no longer be available through the regular ASF search and download tools.

News

Oct. 2, 2026

SAR land data image with globe pattern overlay

From ERS-1 to NISAR: 35 Years of SAR at ASF

August 2026 marks 35 years since the first downlink of synthetic aperture radar data to the Alaska SAR Facility. ASF has supported many missions and archived many Earth observations since then.

Blog

Aug. 17, 2026

an illustration of the paths four tornados took across Tennessee. The tornadoes travelled on roughly the same latitude, forming a broken east to west line across the state.

Tracing a Tornado’s Path of Destruction

A study led by NASA researchers demonstrated how SAR satellite data can be used to identify tornado tracks and supplement storm damage surveys.

News

Aug. 7, 2026

This false-color composite derived from NISAR data highlights vegetated areas (green), unvegetated surfaces (red), and how rapidly the vegetated areas changed (blue) during the 2025-2026 growing season in an agricultural region of South Africa.

NISAR L-Band Data Released, Expanding Record of Surface Changes

Produced by NASA JPL for the NISAR mission, these data products give researchers a new way to observe changes across Earth’s surface.

News

July 21, 2026

False-color corrected reflectance image overlaid with flood information for Lake Bangweulu and the surrounding wetlands on 27 April 2026 from the MODIS instrument aboard the Terra satellite

A Different View of Lake Bangweulu and Wetlands, Zambia

The MODIS instrument aboard the Terra platform captured this image on April 27, 2026.

Worldview Image of the Week

May 1, 2026

30-, 60- and 90-day forecasts of dry and wet conditions, relative to the historic record for the lower 48 states, use GRACE-FO satellite groundwater data for the initial conditions.

Below the Surface: Tracking Groundwater from Space

This training offered by NASA's Applied Remote Sensing Training (ARSET) program covers applicable data sources for assessing groundwater change.

News

March 9, 2026

NISAR Mission Team releases over 100K new data products

The second data release since launch includes Level-1 to Level-3 L-band data products from locations around the world.

News

Feb. 27, 2026

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