In the future, MOXIE could be scaled up to supply ... and ensuring water and food offer hope that Elon Musk's plans for establishing a city on Mars could be realized. In the coming decades ...

Eric Berger expects NASA and the public support for the SpaceX Mars city will surge with the first unmanned landings on Mars.

He said that this cannot be "our high water mark as a civilisation". "Humanity should have a moon base, cities on Mars and be out there among the stars," the X owner added. Musk has bigger plans ...