The Big Bang, the prevailing cosmological model for the beginning of our universe, is a relatively recent explanation for why the galaxies seem to be running away from each other.
SpaceX is planning an extremely low orbit range for the Starlink constellation. This tactic will present a considerable challenge for other companies.
The Air Force has chosen to organize around a theater-centric, centralized command and control system that is ill-suited for the global nature of space power.
For centuries man has dreamed of traveling to Mars. Unfortunately, sending humans to the “red planet” is an undertaking rife with obstacles, and it will take more than a vivid imagination to solve them.