Star wars may be closer than we think as experts warn intergalactic combat is a matter of ‘when’ not ‘if’.

Academics from Australia, the UK and US are collaborating on the Woomera Manual which will outline military and security laws by 2020.

Melissa de Zwart, the dean of law at the University of Adelaide says space-based assets are increasing in value, but legal regimes that govern outer space activity are currently very unclear and are important to document as there are more competitors in the space race than ever before.