Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

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 ...

With 3I/ATLAS days away from making its closest approach to Earth, agencies worldwide are conducting the largest and most ...