What springs to mind at the mention of "alien"? Little green men with antenna in silver suits? Grey-skinned, orb-eyed beings? Brightly lit UFOs hovering in the sky? For social and political scientist, ...

All fiction is metaphor,” wrote Ursula K Le Guin. “Science fiction is metaphor.” The writer, most famous for her Earthsea fantasy novels, captured the civil rights movement, second-wave feminism and ...

This second set of remains belonged to what the world would come to know as the Starchild Skull. For nearly a century, this artifact has served as a battlefield between those who believe in ...

When Neil deGrasse Tyson was 9 years old, he visited the Hayden Planetarium for the first time. Growing up gazing into light pollution in the Bronx, he had no idea there were that many stars. “I was ...