Source: USGS Landsat Mission
On March 14, 2011, Landsat 5 experienced a minor anomaly. The spacecraft is currently operating normally, but it will take a few days to return the instrument to a nominal temperature. Data is expected to be available at the end of the week.
+ USGS Landsat Mission Website
Scenes from the Polar Night
Landsat satellites have begun regularly acquiring images of ice at the poles during the winter, with enlightening results.