Effective governance of outer space is necessary to propel innovation and achieve the Sustainable Development Goals (SDGs), UN Secretary-General António Guterres said in a new policy brief published on Wednesday. "Our common interest in preserving the domain of outer space, **a province** **of humankind that benefits us all** , requires agile and multi-stakeholder governance responses," he wrote in the introduction. The policy brief examines some of the "unprecedented" changes underway in outer space, including the sheer volume of satellites being launched into orbit, the participation of the private sector, and the return of astronauts to deep space after more than…