Elon Musk's xAI has launched Grok 4, an advanced AI model designed to rival ChatGPT and Gemini, claiming PhD-level ...

Elon Musk announced plans to expand Tesla's so-called robotaxi service and integrate Grok, the controversial AI chatbot, into ...

Linda Yaccarino, CEO of X, stepped down from her role on Wednesday morning after two years. “When @elonmusk and I first spoke of ...