We haven't detected life yet, but there could be plenty of planets out there where it began to evolve around the same time it did here. Let's say many began bro

We haven't detected life yet, but there could be plenty of planets out there where it began to evolve around the same time it did here. Let's say many began broadcasting centuries ago, the signals could still take millions of years to reach us. The further away from Earth, the further back in time, the smaller the chance of highly evolved life.