A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

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 ...

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

Department of Homeland Security (DHS) Secretary Kristi Noem receives a tour of the Terrorist Confinement Center CECOT with the Minister of Justice and Public Security Gustavo Villatoro in Tecoluca, El ...