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HydroSHEDS is a free GIS data source (sub-basins, rivers, lakes, waterfalls, and more) for water resources management and decision-making.

These 3 unmanned aerial vehicle (UAV) data platforms provide us with access to high-quality and free drone imagery in geospatial format.

This article explains the 5 versions of the Blue Marble (Apollo 17 was the first) and how you can download each NASA satellite image of Earth.

By stitching 400+ images from space, NASA’s Black Marble (Earth at Night) map the most comprehensive night view using Suomi NPP imagery.

We list the top geometric networks as GIS data sources that you can use for routing, geocoding, map display or any type of network analysis.

The expression goes: “You can’t manage what you can’t measure”. And for measuring climate, it’s world climate data that benchmarks the health of our planet.

Have you ever wanted to look deep into the ocean and see its topography? Turns out, you actually can with this list of ocean bathymetry data.

Since 1999, NASA Earth Observatory has kept a close eye on the environment (fires, atmospheric gases, land use) and global climate change.

OpenStreetMap is like the Wikipedia of maps. As “open” is its key philosophy, this is true for OSM data. Learn to download OpenStreetMap data.