Dark streaks on the slopes of Hale Crater on Mars are believed to have been formed by seasonal flow of water. Photograph: EPA/Nasa/ JPL-Caltech/University of Arizona

In the Ray Bradbury short story A Sound of Thunder, a time traveller goes back to the late Cretaceous era, because who doesn’t want to see a live dino(...)

Norwegian would: “I take some time off from Harry,then I want to hang out with him again.” Photograph: Brenda Fitzsimons

Talking to Jo Nesbo is a bit weird. The Norwegian crime writer speaks quietly in streams of words whose earnestness is undercut by a strong current of(...)

The best dystopian novels are really about the societies in which they are written and not exercises in futurology

Fahrenheit 451 is the temperature at which paper spontaneously ignites. It inspired the title of Ray Bradbury’s novel about a future in which firemen (...)

An unearthly sounding man called Elon Musk has delivered the world a 57-page document. It details the “Hyperloop”, a magnificent mode of transport to (...)