A.I. companies are buying up memory chips, causing the prices of those components — which are also used in laptops and smartphones — to soar.

A science-oriented advocacy group moved its “Doomsday Clock” to 85 seconds to midnight, saying the Earth is closer than ever to destruction.

Companies like Microsoft and Meta are still spending big on artificial intelligence. But investors remain antsy about seeing results.

Running both phases on the same silicon creates inefficiencies, which is why decoupling the two opens the door to new ...

What began as a surprising experiment with cell phone-like signals has led to a promising new approach to treating ...