On December 15, Musk became the first person ever worth $600 billion, after private investors valued SpaceX at $800 billion.

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Seventy-five years ago, the idea of harnessing the power of the skies was little more than fantasy spun by futurists like Arthur C. Clarke and Isaac Asimov. Elon Musk’s mega-merger of his companies ...

However amorphous AI companies' ultimate goals are, Musk is framing his AI company — like he did with Tesla and SpaceX — as a ...

Elon Musk is reshaping his business empire once again. SpaceX has officially absorbed Musk’s artificial intelligence startup, ...