And some numbers from the paper: > we find a substantial probability that we are alone in our galaxy, and perhaps even in our observable universe (53%–99.6% a

And some numbers from the paper: > we find a substantial probability that we are alone in our galaxy, and perhaps even in our observable universe (53%–99.6% and 39%–85% respectively). > ’Where are they?’ — probably extremely far away, and quite possibly beyond the cosmological horizon and forever unreachable.