A water-rich polka dot pattern takes over the traditional rectangular patchwork of fields in this time series animation of 40 years of Landsat images.

Over 30 years of archived data from the US Landsat Earth-observing satellites are now available, free of charge. The majority of these products are unique to ESA’s archive and have never before been accessible anywhere else by the scientific user community.

The Thermal Infrared Sensor (TIRS) that will fly on the next Landsat satellite came out of its first round of thermal vacuum testing Tuesday, October 4 at NASA's Goddard Space Flight Center, Greenbelt, Md.

In a Landsat 5 satellite image captured June 11, 2011, flooding is still evident both east and west of the Mississippi River near Vicksburg, Miss.

Satellites provide a lot of useful information and the Landsat 5 satellite captured an image of the long damage track created on June 1, 2011 when a tornado tracked from Springfield to Sturbridge, Mass.