Linda Yaccarino, the boss of Elon Musk’s social media site X, has announced she is stepping down after two years.Her ...

Elon Musk ’s Grok artificial intelligence chatbot will be installed in Teslas in a manner of days, the X billionaire ...

Grok 4 was trained on Colossus, a supercomputer that xAI launched in Memphis last year. The system featured 100,000 graphics ...