SpaceX has agreed to invest $2 billion in Elon Musk 's artificial intelligence company xAI. The investment makes up nearly half of the company's recent $5 billion equity round, according to investors cited by The Wall Street Journal.

A couple of weekends ago, Grok, the A.I. chatbot that runs across Elon Musk’s X social network, began calling itself “MechaHitler.”

While the long-term mental health impact of AI companions has not yet been determined, there have been several reports in the past few years sounding the alarm over how humans and AI companions inter...