The West Texas desert has a surprising feature: a prehistoric ocean reef. There is a surprising natural wonder in the middle of the vast West Texas desert: a prehistoric ocean reef built from the ...

In a popular sci-fi cliché, one day artificial intelligence goes rogue and kills every human, wiping out the species. Could this truly happen? In real-world surveys, AI researchers say that they see ...

Warnings that humanity is heading toward its own disappearance have shifted from the fringes of science fiction into mainstream research and public debate. Instead of vague prophecies, scientists now ...