Space doesn't offer an escape from Earth's problems. And even with nuclear fuel, the transit time to nearby stars exceeds a human lifetime. Interstellar travel is therefore, in my view, an enterprise for post-humans, evolved from our species not via natural selection, but by design. Martin Rees designearthenterprise share on social
Maybe the search for life shouldn't restrict attention to planets like Earth. Science fiction writers have other ideas: balloon-like creatures floating in the dense atmospheres of planets such as Jupiter, swarms of intelligent insects, nano-scale robots and more. Martin Rees atmosphereattentionballoon share on social
The images of Earth's delicate biosphere, contrasting with the sterile moonscape where the astronauts left their footsteps, have become iconic for environmentalists: these may indeed be the Apollo programme's most enduring legacy. Martin Rees apolloastronautbiosphere share on social
General writing about science, even if we do it badly, helps us to see our work in perspective and broadens our vision. Martin Rees badlybroadengeneral Change image and share on social
