President-elect Joe Biden is a down-to-earth guy, but the fate of the heavens may end up being one of his main foreign policy challenges. The United States has long sought to maintain outer space as an open, stable and rules-bound domain. Unfortunately, this cooperative vision is under stress. The emergence of new space-faring nations, an explosion of private commercial activity and a brewing arms race, among other issues, are all leaving outdated international institutions in the space dust. Biden has made a “return to multilateralism” the core theme of his proposed foreign policy. Closing glaring gaps in outer space governance […]