Two of the most important are profitability and valuation. Here's a closer look at these two critical investment factors. Since SpaceX isn't publicly traded, it isn't required to disclose its ...

Subscribe to CNBC's Investing in Space weekly newsletter SpaceX valuation surges to $350 billion as company buys back stock Jeff Bezos believes his space company Blue Origin will be bigger than $2 ...

Elon Musk’s space exploration business, SpaceX, got a lot of headlines late last year when it was valued at $350 billion — a gain of more than $100 billion from its previous valuation ...