astronauts
What would life on Mars actually look like?
It would need more than 100 million people to make it viable for a start – living in airlocked, subterranean bases, producing food and oxygen in artificially-lit greenhouses
A bird’s-eye view: Orbital, by Samantha Harvey, reviewed
Six astronauts at the International Space Station observe the ravages on Mother Earth, but remain hopeful that mankind will find another parent planet
The images from the Apollo missions will reduce you to tears
Mark Mason on the images that make grown men cry
