Despite their potential, no one has managed to take them from flight of fancy to everyday reality
Self-described ‘serial entrepreneur’ behind the Aurora Station says it is selling the astronaut experience and plans to open in 2021
A new generation of machines is being created, often with complex purposes in mind
Once the International Space Station is decommissioned in 2028, what will the next generation of orbital bases look like?
Robert Downey Jr used the entrepreneur as a role model for his part in the 2008 film
A Starman sitting in a tin can is currently navigating the heavens, soundtracked by David Bowie. How did it – and we – get there?