Proposals to put data centres in space have many hidden costs.

When you’re tired and distracted, an online ad’s claims can be more effective in pitching a product when they’re assertive and explicit.

Pennsylvania’s Supreme Court says skill games are gambling. As lawmakers rush to tax them, a CMU scholar says the debate skips a more fundamental question.

Almost a year after President Trump authorized preemptive law enforcement measures based on political or ideological beliefs, a wave of terrorism prosecutions against left-wing protesters has begun.