Elon Musk's new AI chatbot, Grok 4, is raising eyebrows for its unusual behavior. The chatbot, released Wednesday by Musk's ...

Factoring in tariffs, the lowest 20 percent of income earners may lose $300; the top 1 percent will be $58,000 richer.

The tech billionaire unveiled its latest version, Grok 4, which he claims is "smarter than almost all graduate students, in ...