OpenAI CEO Sam Altman's decision to join President Trump's "Stargate" AI initiative marks a stark reversal for the tech CEO, ...

President Trump welcomed OpenAI CEO Sam Altman to the White House, marking a dramatic escalation in Altman’s rivalry with ...

Trump calls Chinese startup DeepSeek's cheaper AI methods "a positive," as U.S. tech stocks plunge amid market sell-off.

President Trump jabs at the Russian leader with threats; Vladimir Putin responds with flattery. But there are notable signals in their jousting, including a revived discussion about nuclear arms ...

Stocks Sink as Investors Worry About China’s A.I. Advances A jolt of panic hit technology stocks on Monday, with investors rattled by fears that A.I. advances by Chinese upstarts could threaten ...