Astrophysicist Neil deGrasse Tyson warned that a branch of artificial intelligence—superintelligence—poses lethal risks and urged the world to adopt an international treaty banning its development. He likened the need for such an agreement to existing global pacts on nuclear, chemical, and environmental threats, emphasizing that treaties are humanity’s best tool for managing existential dangers. Tyson’s remarks have sparked renewed debate over how quickly policy should move to address speculative yet potentially catastrophic AI capabilities. Read more →