Even as Musk’s work at the Department of Government Efficiency appeared to consume him, his top adviser created a set of ...

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One billionaire wants to move industry off-world, returning Earth to a pristine state. The other wants to colonise Mars.

Billionaire and two-time traveler to space Jared Isaacman could soon get the full Senate’s attention for his nomination by President Donald Trump to be the next head of NASA. Isaacman testified April ...