SpaceTime to make sure Europe's troubled satnav system really flies Europe's costly Galileo satnav network has been branded a vanity project. In an isolationist world, it now seems a wise insurance policy, says Paul Marks Comment
SpaceWhen computers were human: The black women behind NASA’s success In the mid-20th century, when discrimination and segregation were rife, a number of black women were making their mark at NASA. Here are just a few Features