Satellite touchdown in run up to Galileo launch

The latest pair of navigation satellites has reached Europe's Spaceport in French Guiana, beginning a new Galileo launch campaign, which will culminate in a launch on 24 May.

Sharper GPS needs even more accurate atomic clocks

The GPS network might just be Earth's greatest piece of infrastructure. It's effectively a collection of clocks in space that serve up time information 24/7 free of charge to anyone on the planet who cares to listen.

Europe resumes Galileo satnav deployment (Update)

Europe resumed deployment of its beleaguered Galileo satnav programme on Friday, launching a pair of satellites seven months after a rocket malfunction sent two multi-million euro orbiters awry.

Europe poised to launch navigation satellites after mishap

Europe was set to launch two navigation satellites Friday for its rival to America's GPS, the first additions to the Galileo constellation since a technical mishap misdirected two orbiters last year.

page 11 from 24