Private companies are racing to redefine what a space station looks like, and one of the boldest ideas on the table is a platform that can be launched in a single mission instead of assembled piece by ...

Although the Pony Express lasted only a short time in the mid-1800s before being outperformed by the transcontinental telegraph, it inspired a concept for a string of small satellites to transport ...

Space Train: DARPA is the Pentagon's main research and development agency, working on "emerging" technologies and their potential military use. The latest research funded by the organization, however, ...