Grok, Elon Musk's AI chatbot, has been gaining ground in the U.S. over the past months, data showed, even as it draws global censure and regulatory scrutiny after being used to generate a wave of ...

The essay exploded across platforms like Elon Musk's X, prompting a range of praise and criticism from readers.

At least nine engineers, including two co-founders, have announced their exits from xAI in the past week, fueling online speculation and raising questions about stability at Musk’s AI company amid ...

In a meeting with employees at his company xAI, Mr. Musk revealed a vision for a facility that includes a giant catapult to launch his satellites into space.