While Rudolf’s bright red nose may guide Santa Claus’s sleigh, satellites show where these reindeer can find the food to fuel their annual trek around the globe
Technology image of the week: the moment Sentinel-3A's radar altimeter is wrapped in multilayer insulation
Join us Friday, 19 December, at 10:00 CET for the ‘Earth from Space’ video programme. This week features an image of the Great Bahamas Bank
Measurements of salt held in surface seawater are becoming ever-more important for us to understand ocean circulation and Earth’s water cycle. ESA’s SMOS mission is proving essential to the quest.