Marco Langbroek has spent 50 years observing space - and he’s more worried than ever. View on euronews ...

Atomic clocks are key for satellites being able to provide positioning data that is used for applications such as navigation ...

SpaceX has announced that it's lowering the orbits of some 4,400 Starlink satellites following a near miss with a new Chinese satellite last year. SpaceX says the shift, which will take place ...