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Imagined Mars settlement

Should SpaceX be allowed to contaminate Mars with Earth microbes?

11 December 2019

The rise of the private space industry may mean allowing Earth microbes to escape to other worlds, but is it worth the risk?

SpaceX rocket

Cookies and slime in orbit: What's the point of PR stunts in space?

21 August 2019

Companies that run hotels, build cars and make TV are beginning to operate in space. This in-orbit economy could finance deeper space exploration

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