Hurricane Kristy strengthened into a Category 5 hurricane on Thursday. It has since weakened slightly to a Category 3.

Teams on the ground have already performed a series of manoeuvres with the 550-kilogram (1,200-pound) satellite to ensure it ...

Artwork: Europe's Earth Remote Sensing satellites weighed about 2.5 tonnes at launch A European satellite that pioneered ... up in the atmosphere over the Pacific. So far, there have been no ...