Prospectus for tycoon’s sprawling empire reveals his plan to keep control – and ambition to colonise Mars

Elon Musk plans to take SpaceX public with a valuation of nearly $1.75 trillion. This ambitious figure is drawing scrutiny from Wall Street analysts. SpaceX's potential lies in…

SpaceX revealed its long-awaited plans to go public on Wednesday, shedding light on the finances and leadership of one of the largest, best-known and yet most secretive private…