The NASA Innovative Advanced Concepts (NIAC) program fosters exploration by funding early-stage studies to evaluate technologies that could support future aeronautics and space missions.
China has recommitted itself to completing its orbiting space station by the end of the year and says it is planning more than 40 launches for 2022, putting it roughly level with the United States.
Person of the Year is a marker of influence, and few individuals have had more influence than Musk on life on Earth, and potentially life off Earth too.