This year, a military satellite launched by Russia started acting in strange and possibly dangerous ways. Instead of following a stable orbit like most satellites, it moved up and down around its path ...

It sounds like science fiction - a factory, located hundreds of kilometres above the Earth, churning out high-quality materials. But a Cardiff-based company is a step closer to making this a reality.

A US-based space start-up called Galactic Resource Utilization Space (GRU Space) has started taking booking requests for what it claims would be "the first ever permanent off-Earth structure built in ...