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SAR land data image with globe pattern overlay
Blog
7 MIN READ

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.
Image of Earth with Sun rising in northwest; satellite in orbit around planet
Event
1 MIN READ

POWER 2026 Global Community Summit

Explore how the Prediction of Worldwide Energy Resources (POWER) project impacts the current and future landscape of energy, buildings, and agriculture.
True-color corrected reflectance image of the Barnes Ice Cap, Baffin Island, Canada on 11 August 2026 from the MODIS instrument aboard the Terra satellite
Worldview Image of the Week
1 MIN READ

Early Snow Melt on Barnes Ice Cap

Earlier than usual melting of the snow in the summer of 2026 on Canada's Baffin Island exposed this remnant of the Laurentide Ice Sheet.

Featured Data Tools

From discovery to visualization, our data tools simplify and streamline your research.

image of Earthdata Search application interface

Earthdata Search

Earthdata Search enables data discovery, search, comparison, visualization, and access across NASA’s Earth science data holdings.
image of GIS ocean surface temperature data

Earthdata GIS

Earthdata GIS is a resource for distributing cloud-native, GIS-ready NASA Earth science data and services, including over 200 raster and feature geospatial services as well as resources such as thematic applications and ArcGIS StoryMaps.
image of Aurora crater in the ionosphere

GUARDIAN

The GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) is a near real-time (NRT) ionospheric monitoring tool for natural hazards warning.

Open Science

We empower a collaborative scientific process through the open sharing of data and knowledge. Our open data, services, and software policies ensure that data are fully available to any user for any purpose.

Earth Science Data Systems 2025 Fiscal Year Highlights

View All Program Metrics
This graph shows the fiscal year 2026 archive data volume and distribution increasing.
This graph shows the Earth science data archive growth projection soaring to over 500 Petabytes in 2030.

+7.4 billion

files distributed to end users

10+ million

distinct data and service users

178+ petabytes

of Earth science data available