Fortuna Investments CEO Justus Parmar answers some of Yahoo Finance viewers' most common questions about SpaceX (SPCX).

Elon Musk's SpaceX pay package has a sci-fi-inspired compensation structure that literally requires getting humanity to another planet.

Models help scientists understand everything from the particles that make up the universe to massive superstructures of galaxies at the beginning of time. But sometimes they model more mundane, though ...