The Year is 1335AE, the Post-Earth Calendar. Humanity has fled the blasted, scarred surface of their home-world and drifted through the expanse of space, a race of curious nomads among the black. They settled new worlds and made contact with an established galactic community with mixed reactions to newcomers. It is a galaxy divided, factions vying for control over resources and unclaimed systems in the expanse. Gods help us all, it's just like home!
Theoretical physics: The origins of space and time Many researchers believe that physics will not be complete until it can explain not just the behaviour of space and time, but where these entities come from.